Home / 742,432.91-1,024,558.13-402,901.16

Finding the Fourth Proportional to 742,432.91, 1,024,558.13 and 402,901.16

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Solution

The fourth proportional to 742,432.91, 1,024,558.13 and 402,901.16 is: 556,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,432.91 : 1,024,558.13 = 402,901.16 : x
  2. Step 2: Convert to fraction form
    742,432.91/1,024,558.13 = 402,901.16/x
  3. Step 3: Cross multiply
    742,432.91x = 1,024,558.13 × 402,901.16
  4. Step 4: Simplify right side
    742,432.91x = 412,795,654,948.89
  5. Step 5: Solve for x
    x = 412,795,654,948.89/742,432.91
  6. Step 6: Final answer
    x = 556,003.99

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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.