Home / 486,076.40-727,948.20-236,466.80

Finding the Fourth Proportional to 486,076.40, 727,948.20 and 236,466.80

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Solution

The fourth proportional to 486,076.40, 727,948.20 and 236,466.80 is: 354,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,076.40 : 727,948.20 = 236,466.80 : x
  2. Step 2: Convert to fraction form
    486,076.40/727,948.20 = 236,466.80/x
  3. Step 3: Cross multiply
    486,076.40x = 727,948.20 × 236,466.80
  4. Step 4: Simplify right side
    486,076.40x = 172,135,581,419.76
  5. Step 5: Solve for x
    x = 172,135,581,419.76/486,076.40
  6. Step 6: Final answer
    x = 354,132.77

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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.