Home / 861,651.27-1,290,552.35-624,449.25

Finding the Fourth Proportional to 861,651.27, 1,290,552.35 and 624,449.25

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Solution

The fourth proportional to 861,651.27, 1,290,552.35 and 624,449.25 is: 935,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,651.27 : 1,290,552.35 = 624,449.25 : x
  2. Step 2: Convert to fraction form
    861,651.27/1,290,552.35 = 624,449.25/x
  3. Step 3: Cross multiply
    861,651.27x = 1,290,552.35 × 624,449.25
  4. Step 4: Simplify right side
    861,651.27x = 805,884,443,920.99
  5. Step 5: Solve for x
    x = 805,884,443,920.99/861,651.27
  6. Step 6: Final answer
    x = 935,279.12

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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.