Home / 658,658.92-908,926.16-372,172.86

Finding the Fourth Proportional to 658,658.92, 908,926.16 and 372,172.86

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Solution

The fourth proportional to 658,658.92, 908,926.16 and 372,172.86 is: 513,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,658.92 : 908,926.16 = 372,172.86 : x
  2. Step 2: Convert to fraction form
    658,658.92/908,926.16 = 372,172.86/x
  3. Step 3: Cross multiply
    658,658.92x = 908,926.16 × 372,172.86
  4. Step 4: Simplify right side
    658,658.92x = 338,277,648,496.02
  5. Step 5: Solve for x
    x = 338,277,648,496.02/658,658.92
  6. Step 6: Final answer
    x = 513,585.47

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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.