Home / 671,839.63-1,007,753.17-272,385.45

Finding the Fourth Proportional to 671,839.63, 1,007,753.17 and 272,385.45

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Solution

The fourth proportional to 671,839.63, 1,007,753.17 and 272,385.45 is: 408,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,839.63 : 1,007,753.17 = 272,385.45 : x
  2. Step 2: Convert to fraction form
    671,839.63/1,007,753.17 = 272,385.45/x
  3. Step 3: Cross multiply
    671,839.63x = 1,007,753.17 × 272,385.45
  4. Step 4: Simplify right side
    671,839.63x = 274,497,300,699.38
  5. Step 5: Solve for x
    x = 274,497,300,699.38/671,839.63
  6. Step 6: Final answer
    x = 408,575.63

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1.5x scale

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.