Home / 862,335.68-1,293,188.16-329,593.28

Finding the Fourth Proportional to 862,335.68, 1,293,188.16 and 329,593.28

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Solution

The fourth proportional to 862,335.68, 1,293,188.16 and 329,593.28 is: 494,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,335.68 : 1,293,188.16 = 329,593.28 : x
  2. Step 2: Convert to fraction form
    862,335.68/1,293,188.16 = 329,593.28/x
  3. Step 3: Cross multiply
    862,335.68x = 1,293,188.16 × 329,593.28
  4. Step 4: Simplify right side
    862,335.68x = 426,226,127,311.57
  5. Step 5: Solve for x
    x = 426,226,127,311.57/862,335.68
  6. Step 6: Final answer
    x = 494,269.39

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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.