Home / 678,163.60-1,017,245.40-204,799.60

Finding the Fourth Proportional to 678,163.60, 1,017,245.40 and 204,799.60

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Solution

The fourth proportional to 678,163.60, 1,017,245.40 and 204,799.60 is: 307,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,163.60 : 1,017,245.40 = 204,799.60 : x
  2. Step 2: Convert to fraction form
    678,163.60/1,017,245.40 = 204,799.60/x
  3. Step 3: Cross multiply
    678,163.60x = 1,017,245.40 × 204,799.60
  4. Step 4: Simplify right side
    678,163.60x = 208,331,451,021.84
  5. Step 5: Solve for x
    x = 208,331,451,021.84/678,163.60
  6. Step 6: Final answer
    x = 307,199.40

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.