Home / 804,209.60-1,204,564.80-488,115.20

Finding the Fourth Proportional to 804,209.60, 1,204,564.80 and 488,115.20

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Solution

The fourth proportional to 804,209.60, 1,204,564.80 and 488,115.20 is: 731,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,209.60 : 1,204,564.80 = 488,115.20 : x
  2. Step 2: Convert to fraction form
    804,209.60/1,204,564.80 = 488,115.20/x
  3. Step 3: Cross multiply
    804,209.60x = 1,204,564.80 × 488,115.20
  4. Step 4: Simplify right side
    804,209.60x = 587,966,388,264.96
  5. Step 5: Solve for x
    x = 587,966,388,264.96/804,209.60
  6. Step 6: Final answer
    x = 731,110.88

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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.