Home / 804,010.80-1,204,979.40-488,132.40

Finding the Fourth Proportional to 804,010.80, 1,204,979.40 and 488,132.40

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Solution

The fourth proportional to 804,010.80, 1,204,979.40 and 488,132.40 is: 731,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,010.80 : 1,204,979.40 = 488,132.40 : x
  2. Step 2: Convert to fraction form
    804,010.80/1,204,979.40 = 488,132.40/x
  3. Step 3: Cross multiply
    804,010.80x = 1,204,979.40 × 488,132.40
  4. Step 4: Simplify right side
    804,010.80x = 588,189,486,472.56
  5. Step 5: Solve for x
    x = 588,189,486,472.56/804,010.80
  6. Step 6: Final answer
    x = 731,569.14

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1.5x scale

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.