Home / 866,139.20-1,298,517.60-367,092.80

Finding the Fourth Proportional to 866,139.20, 1,298,517.60 and 367,092.80

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Solution

The fourth proportional to 866,139.20, 1,298,517.60 and 367,092.80 is: 550,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,139.20 : 1,298,517.60 = 367,092.80 : x
  2. Step 2: Convert to fraction form
    866,139.20/1,298,517.60 = 367,092.80/x
  3. Step 3: Cross multiply
    866,139.20x = 1,298,517.60 × 367,092.80
  4. Step 4: Simplify right side
    866,139.20x = 476,676,461,633.28
  5. Step 5: Solve for x
    x = 476,676,461,633.28/866,139.20
  6. Step 6: Final answer
    x = 550,346.25

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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.