Home / 598,542.60-897,036.30-432,136.20

Finding the Fourth Proportional to 598,542.60, 897,036.30 and 432,136.20

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Solution

The fourth proportional to 598,542.60, 897,036.30 and 432,136.20 is: 647,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,542.60 : 897,036.30 = 432,136.20 : x
  2. Step 2: Convert to fraction form
    598,542.60/897,036.30 = 432,136.20/x
  3. Step 3: Cross multiply
    598,542.60x = 897,036.30 × 432,136.20
  4. Step 4: Simplify right side
    598,542.60x = 387,641,857,944.06
  5. Step 5: Solve for x
    x = 387,641,857,944.06/598,542.60
  6. Step 6: Final answer
    x = 647,642.89

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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.