Home / 801,427.60-1,202,141.40-502,829.20

Finding the Fourth Proportional to 801,427.60, 1,202,141.40 and 502,829.20

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Solution

The fourth proportional to 801,427.60, 1,202,141.40 and 502,829.20 is: 754,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,427.60 : 1,202,141.40 = 502,829.20 : x
  2. Step 2: Convert to fraction form
    801,427.60/1,202,141.40 = 502,829.20/x
  3. Step 3: Cross multiply
    801,427.60x = 1,202,141.40 × 502,829.20
  4. Step 4: Simplify right side
    801,427.60x = 604,471,798,448.88
  5. Step 5: Solve for x
    x = 604,471,798,448.88/801,427.60
  6. Step 6: Final answer
    x = 754,243.80

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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.