Home / 853,732.91-1,280,820.77-454,045.03

Finding the Fourth Proportional to 853,732.91, 1,280,820.77 and 454,045.03

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Solution

The fourth proportional to 853,732.91, 1,280,820.77 and 454,045.03 is: 681,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,732.91 : 1,280,820.77 = 454,045.03 : x
  2. Step 2: Convert to fraction form
    853,732.91/1,280,820.77 = 454,045.03/x
  3. Step 3: Cross multiply
    853,732.91x = 1,280,820.77 × 454,045.03
  4. Step 4: Simplify right side
    853,732.91x = 581,550,304,939.27
  5. Step 5: Solve for x
    x = 581,550,304,939.27/853,732.91
  6. Step 6: Final answer
    x = 681,185.30

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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.