Home / 827,442.40-1,241,163.60-294,980.80

Finding the Fourth Proportional to 827,442.40, 1,241,163.60 and 294,980.80

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Solution

The fourth proportional to 827,442.40, 1,241,163.60 and 294,980.80 is: 442,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,442.40 : 1,241,163.60 = 294,980.80 : x
  2. Step 2: Convert to fraction form
    827,442.40/1,241,163.60 = 294,980.80/x
  3. Step 3: Cross multiply
    827,442.40x = 1,241,163.60 × 294,980.80
  4. Step 4: Simplify right side
    827,442.40x = 366,119,431,658.88
  5. Step 5: Solve for x
    x = 366,119,431,658.88/827,442.40
  6. Step 6: Final answer
    x = 442,471.20

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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.