Home / 804,531.10-1,205,047.05-488,436.70

Finding the Fourth Proportional to 804,531.10, 1,205,047.05 and 488,436.70

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Solution

The fourth proportional to 804,531.10, 1,205,047.05 and 488,436.70 is: 731,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,531.10 : 1,205,047.05 = 488,436.70 : x
  2. Step 2: Convert to fraction form
    804,531.10/1,205,047.05 = 488,436.70/x
  3. Step 3: Cross multiply
    804,531.10x = 1,205,047.05 × 488,436.70
  4. Step 4: Simplify right side
    804,531.10x = 588,589,204,446.74
  5. Step 5: Solve for x
    x = 588,589,204,446.74/804,531.10
  6. Step 6: Final answer
    x = 731,592.86

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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.