Home / 657,663.20-987,531.60-377,727.20

Finding the Fourth Proportional to 657,663.20, 987,531.60 and 377,727.20

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Solution

The fourth proportional to 657,663.20, 987,531.60 and 377,727.20 is: 567,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,663.20 : 987,531.60 = 377,727.20 : x
  2. Step 2: Convert to fraction form
    657,663.20/987,531.60 = 377,727.20/x
  3. Step 3: Cross multiply
    657,663.20x = 987,531.60 × 377,727.20
  4. Step 4: Simplify right side
    657,663.20x = 373,017,546,179.52
  5. Step 5: Solve for x
    x = 373,017,546,179.52/657,663.20
  6. Step 6: Final answer
    x = 567,186.28

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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.