Home / 657,002.10-985,503.15-575,645.70

Finding the Fourth Proportional to 657,002.10, 985,503.15 and 575,645.70

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Solution

The fourth proportional to 657,002.10, 985,503.15 and 575,645.70 is: 863,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,002.10 : 985,503.15 = 575,645.70 : x
  2. Step 2: Convert to fraction form
    657,002.10/985,503.15 = 575,645.70/x
  3. Step 3: Cross multiply
    657,002.10x = 985,503.15 × 575,645.70
  4. Step 4: Simplify right side
    657,002.10x = 567,300,650,633.96
  5. Step 5: Solve for x
    x = 567,300,650,633.96/657,002.10
  6. Step 6: Final answer
    x = 863,468.55

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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.