Home / 658,373.91-908,629.95-371,912.46

Finding the Fourth Proportional to 658,373.91, 908,629.95 and 371,912.46

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Solution

The fourth proportional to 658,373.91, 908,629.95 and 371,912.46 is: 513,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,373.91 : 908,629.95 = 371,912.46 : x
  2. Step 2: Convert to fraction form
    658,373.91/908,629.95 = 371,912.46/x
  3. Step 3: Cross multiply
    658,373.91x = 908,629.95 × 371,912.46
  4. Step 4: Simplify right side
    658,373.91x = 337,930,799,934.18
  5. Step 5: Solve for x
    x = 337,930,799,934.18/658,373.91
  6. Step 6: Final answer
    x = 513,280.97

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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.