Home / 861,578.00-1,292,373.41-321,956.25

Finding the Fourth Proportional to 861,578.00, 1,292,373.41 and 321,956.25

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Solution

The fourth proportional to 861,578.00, 1,292,373.41 and 321,956.25 is: 482,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,578.00 : 1,292,373.41 = 321,956.25 : x
  2. Step 2: Convert to fraction form
    861,578.00/1,292,373.41 = 321,956.25/x
  3. Step 3: Cross multiply
    861,578.00x = 1,292,373.41 × 321,956.25
  4. Step 4: Simplify right side
    861,578.00x = 416,087,699,307.74
  5. Step 5: Solve for x
    x = 416,087,699,307.74/861,578.00
  6. Step 6: Final answer
    x = 482,936.77

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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.