Home / 671,566.20-1,007,349.30-272,001.30

Finding the Fourth Proportional to 671,566.20, 1,007,349.30 and 272,001.30

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Solution

The fourth proportional to 671,566.20, 1,007,349.30 and 272,001.30 is: 408,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,566.20 : 1,007,349.30 = 272,001.30 : x
  2. Step 2: Convert to fraction form
    671,566.20/1,007,349.30 = 272,001.30/x
  3. Step 3: Cross multiply
    671,566.20x = 1,007,349.30 × 272,001.30
  4. Step 4: Simplify right side
    671,566.20x = 274,000,319,154.09
  5. Step 5: Solve for x
    x = 274,000,319,154.09/671,566.20
  6. Step 6: Final answer
    x = 408,001.95

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Similar ratio
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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.