Home / 853,619.20-1,280,049.71-454,175.80

Finding the Fourth Proportional to 853,619.20, 1,280,049.71 and 454,175.80

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Solution

The fourth proportional to 853,619.20, 1,280,049.71 and 454,175.80 is: 681,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,619.20 : 1,280,049.71 = 454,175.80 : x
  2. Step 2: Convert to fraction form
    853,619.20/1,280,049.71 = 454,175.80/x
  3. Step 3: Cross multiply
    853,619.20x = 1,280,049.71 × 454,175.80
  4. Step 4: Simplify right side
    853,619.20x = 581,367,594,678.77
  5. Step 5: Solve for x
    x = 581,367,594,678.77/853,619.20
  6. Step 6: Final answer
    x = 681,062.00

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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.