Home / 801,237.60-1,200,301.20-445,615.20

Finding the Fourth Proportional to 801,237.60, 1,200,301.20 and 445,615.20

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Solution

The fourth proportional to 801,237.60, 1,200,301.20 and 445,615.20 is: 667,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,237.60 : 1,200,301.20 = 445,615.20 : x
  2. Step 2: Convert to fraction form
    801,237.60/1,200,301.20 = 445,615.20/x
  3. Step 3: Cross multiply
    801,237.60x = 1,200,301.20 × 445,615.20
  4. Step 4: Simplify right side
    801,237.60x = 534,872,459,298.24
  5. Step 5: Solve for x
    x = 534,872,459,298.24/801,237.60
  6. Step 6: Final answer
    x = 667,557.86

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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.