Home / 742,333.60-1,024,432.28-402,801.85

Finding the Fourth Proportional to 742,333.60, 1,024,432.28 and 402,801.85

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Solution

The fourth proportional to 742,333.60, 1,024,432.28 and 402,801.85 is: 555,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,333.60 : 1,024,432.28 = 402,801.85 : x
  2. Step 2: Convert to fraction form
    742,333.60/1,024,432.28 = 402,801.85/x
  3. Step 3: Cross multiply
    742,333.60x = 1,024,432.28 × 402,801.85
  4. Step 4: Simplify right side
    742,333.60x = 412,643,215,569.71
  5. Step 5: Solve for x
    x = 412,643,215,569.71/742,333.60
  6. Step 6: Final answer
    x = 555,873.01

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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.