Home / 498,038.96-687,516.40-337,381.92

Finding the Fourth Proportional to 498,038.96, 687,516.40 and 337,381.92

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Solution

The fourth proportional to 498,038.96, 687,516.40 and 337,381.92 is: 465,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,038.96 : 687,516.40 = 337,381.92 : x
  2. Step 2: Convert to fraction form
    498,038.96/687,516.40 = 337,381.92/x
  3. Step 3: Cross multiply
    498,038.96x = 687,516.40 × 337,381.92
  4. Step 4: Simplify right side
    498,038.96x = 231,955,603,063.49
  5. Step 5: Solve for x
    x = 231,955,603,063.49/498,038.96
  6. Step 6: Final answer
    x = 465,737.87

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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.