Home / 657,847.26-984,996.69-429,577.41

Finding the Fourth Proportional to 657,847.26, 984,996.69 and 429,577.41

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Solution

The fourth proportional to 657,847.26, 984,996.69 and 429,577.41 is: 643,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,847.26 : 984,996.69 = 429,577.41 : x
  2. Step 2: Convert to fraction form
    657,847.26/984,996.69 = 429,577.41/x
  3. Step 3: Cross multiply
    657,847.26x = 984,996.69 × 429,577.41
  4. Step 4: Simplify right side
    657,847.26x = 423,132,326,948.77
  5. Step 5: Solve for x
    x = 423,132,326,948.77/657,847.26
  6. Step 6: Final answer
    x = 643,207.55

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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.