Home / 657,002.76-985,679.28-207,732.06

Finding the Fourth Proportional to 657,002.76, 985,679.28 and 207,732.06

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Solution

The fourth proportional to 657,002.76, 985,679.28 and 207,732.06 is: 311,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,002.76 : 985,679.28 = 207,732.06 : x
  2. Step 2: Convert to fraction form
    657,002.76/985,679.28 = 207,732.06/x
  3. Step 3: Cross multiply
    657,002.76x = 985,679.28 × 207,732.06
  4. Step 4: Simplify right side
    657,002.76x = 204,757,187,333.72
  5. Step 5: Solve for x
    x = 204,757,187,333.72/657,002.76
  6. Step 6: Final answer
    x = 311,653.47

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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.