Home / 497,738.97-747,356.13-284,747.36

Finding the Fourth Proportional to 497,738.97, 747,356.13 and 284,747.36

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Solution

The fourth proportional to 497,738.97, 747,356.13 and 284,747.36 is: 427,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,738.97 : 747,356.13 = 284,747.36 : x
  2. Step 2: Convert to fraction form
    497,738.97/747,356.13 = 284,747.36/x
  3. Step 3: Cross multiply
    497,738.97x = 747,356.13 × 284,747.36
  4. Step 4: Simplify right side
    497,738.97x = 212,807,681,260.54
  5. Step 5: Solve for x
    x = 212,807,681,260.54/497,738.97
  6. Step 6: Final answer
    x = 427,548.76

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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.