Home / 671,523.76-1,007,700.36-272,167.84

Finding the Fourth Proportional to 671,523.76, 1,007,700.36 and 272,167.84

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Solution

The fourth proportional to 671,523.76, 1,007,700.36 and 272,167.84 is: 408,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,523.76 : 1,007,700.36 = 272,167.84 : x
  2. Step 2: Convert to fraction form
    671,523.76/1,007,700.36 = 272,167.84/x
  3. Step 3: Cross multiply
    671,523.76x = 1,007,700.36 × 272,167.84
  4. Step 4: Simplify right side
    671,523.76x = 274,263,630,348.42
  5. Step 5: Solve for x
    x = 274,263,630,348.42/671,523.76
  6. Step 6: Final answer
    x = 408,419.85

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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.