Home / 742,435.92-1,024,562.28-402,904.17

Finding the Fourth Proportional to 742,435.92, 1,024,562.28 and 402,904.17

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Solution

The fourth proportional to 742,435.92, 1,024,562.28 and 402,904.17 is: 556,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,435.92 : 1,024,562.28 = 402,904.17 : x
  2. Step 2: Convert to fraction form
    742,435.92/1,024,562.28 = 402,904.17/x
  3. Step 3: Cross multiply
    742,435.92x = 1,024,562.28 × 402,904.17
  4. Step 4: Simplify right side
    742,435.92x = 412,800,415,036.71
  5. Step 5: Solve for x
    x = 412,800,415,036.71/742,435.92
  6. Step 6: Final answer
    x = 556,008.14

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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.