Home / 731,410.40-1,097,115.60-377,116.40

Finding the Fourth Proportional to 731,410.40, 1,097,115.60 and 377,116.40

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Solution

The fourth proportional to 731,410.40, 1,097,115.60 and 377,116.40 is: 565,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,410.40 : 1,097,115.60 = 377,116.40 : x
  2. Step 2: Convert to fraction form
    731,410.40/1,097,115.60 = 377,116.40/x
  3. Step 3: Cross multiply
    731,410.40x = 1,097,115.60 × 377,116.40
  4. Step 4: Simplify right side
    731,410.40x = 413,740,285,455.84
  5. Step 5: Solve for x
    x = 413,740,285,455.84/731,410.40
  6. Step 6: Final answer
    x = 565,674.60

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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.