Home / 853,730.91-1,280,817.77-454,043.03

Finding the Fourth Proportional to 853,730.91, 1,280,817.77 and 454,043.03

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Solution

The fourth proportional to 853,730.91, 1,280,817.77 and 454,043.03 is: 681,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,730.91 : 1,280,817.77 = 454,043.03 : x
  2. Step 2: Convert to fraction form
    853,730.91/1,280,817.77 = 454,043.03/x
  3. Step 3: Cross multiply
    853,730.91x = 1,280,817.77 × 454,043.03
  4. Step 4: Simplify right side
    853,730.91x = 581,546,372,494.34
  5. Step 5: Solve for x
    x = 581,546,372,494.34/853,730.91
  6. Step 6: Final answer
    x = 681,182.29

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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.