Home / 657,845.26-984,993.69-429,575.41

Finding the Fourth Proportional to 657,845.26, 984,993.69 and 429,575.41

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Solution

The fourth proportional to 657,845.26, 984,993.69 and 429,575.41 is: 643,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,845.26 : 984,993.69 = 429,575.41 : x
  2. Step 2: Convert to fraction form
    657,845.26/984,993.69 = 429,575.41/x
  3. Step 3: Cross multiply
    657,845.26x = 984,993.69 × 429,575.41
  4. Step 4: Simplify right side
    657,845.26x = 423,129,068,229.16
  5. Step 5: Solve for x
    x = 423,129,068,229.16/657,845.26
  6. Step 6: Final answer
    x = 643,204.56

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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.