Home / 742,382.92-1,024,508.28-402,851.44

Finding the Fourth Proportional to 742,382.92, 1,024,508.28 and 402,851.44

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Solution

The fourth proportional to 742,382.92, 1,024,508.28 and 402,851.44 is: 555,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,382.92 : 1,024,508.28 = 402,851.44 : x
  2. Step 2: Convert to fraction form
    742,382.92/1,024,508.28 = 402,851.44/x
  3. Step 3: Cross multiply
    742,382.92x = 1,024,508.28 × 402,851.44
  4. Step 4: Simplify right side
    742,382.92x = 412,724,635,889.92
  5. Step 5: Solve for x
    x = 412,724,635,889.92/742,382.92
  6. Step 6: Final answer
    x = 555,945.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.