Home / 658,424.11-908,699.02-371,962.65

Finding the Fourth Proportional to 658,424.11, 908,699.02 and 371,962.65

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Solution

The fourth proportional to 658,424.11, 908,699.02 and 371,962.65 is: 513,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,424.11 : 908,699.02 = 371,962.65 : x
  2. Step 2: Convert to fraction form
    658,424.11/908,699.02 = 371,962.65/x
  3. Step 3: Cross multiply
    658,424.11x = 908,699.02 × 371,962.65
  4. Step 4: Simplify right side
    658,424.11x = 338,002,095,272.62
  5. Step 5: Solve for x
    x = 338,002,095,272.62/658,424.11
  6. Step 6: Final answer
    x = 513,350.12

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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.