Home / 432,296.80-648,829.20-254,581.60

Finding the Fourth Proportional to 432,296.80, 648,829.20 and 254,581.60

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Solution

The fourth proportional to 432,296.80, 648,829.20 and 254,581.60 is: 382,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,296.80 : 648,829.20 = 254,581.60 : x
  2. Step 2: Convert to fraction form
    432,296.80/648,829.20 = 254,581.60/x
  3. Step 3: Cross multiply
    432,296.80x = 648,829.20 × 254,581.60
  4. Step 4: Simplify right side
    432,296.80x = 165,179,975,862.72
  5. Step 5: Solve for x
    x = 165,179,975,862.72/432,296.80
  6. Step 6: Final answer
    x = 382,098.54

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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.