Home / 432,268.80-649,132.20-361,118.40

Finding the Fourth Proportional to 432,268.80, 649,132.20 and 361,118.40

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Solution

The fourth proportional to 432,268.80, 649,132.20 and 361,118.40 is: 542,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,268.80 : 649,132.20 = 361,118.40 : x
  2. Step 2: Convert to fraction form
    432,268.80/649,132.20 = 361,118.40/x
  3. Step 3: Cross multiply
    432,268.80x = 649,132.20 × 361,118.40
  4. Step 4: Simplify right side
    432,268.80x = 234,413,581,452.48
  5. Step 5: Solve for x
    x = 234,413,581,452.48/432,268.80
  6. Step 6: Final answer
    x = 542,286.61

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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.