Home / 924,144.30-1,386,086.85-293,121.90

Finding the Fourth Proportional to 924,144.30, 1,386,086.85 and 293,121.90

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Solution

The fourth proportional to 924,144.30, 1,386,086.85 and 293,121.90 is: 439,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,144.30 : 1,386,086.85 = 293,121.90 : x
  2. Step 2: Convert to fraction form
    924,144.30/1,386,086.85 = 293,121.90/x
  3. Step 3: Cross multiply
    924,144.30x = 1,386,086.85 × 293,121.90
  4. Step 4: Simplify right side
    924,144.30x = 406,292,411,037.02
  5. Step 5: Solve for x
    x = 406,292,411,037.02/924,144.30
  6. Step 6: Final answer
    x = 439,641.74

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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.