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Finding the Fourth Proportional to 598,501.80, 825,932.52 and 383,642.28

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Solution

The fourth proportional to 598,501.80, 825,932.52 and 383,642.28 is: 529,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,501.80 : 825,932.52 = 383,642.28 : x
  2. Step 2: Convert to fraction form
    598,501.80/825,932.52 = 383,642.28/x
  3. Step 3: Cross multiply
    598,501.80x = 825,932.52 × 383,642.28
  4. Step 4: Simplify right side
    598,501.80x = 316,862,635,098.95
  5. Step 5: Solve for x
    x = 316,862,635,098.95/598,501.80
  6. Step 6: Final answer
    x = 529,426.37

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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.