Home / 425,452.20-587,121.04-234,465.80

Finding the Fourth Proportional to 425,452.20, 587,121.04 and 234,465.80

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Solution

The fourth proportional to 425,452.20, 587,121.04 and 234,465.80 is: 323,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,452.20 : 587,121.04 = 234,465.80 : x
  2. Step 2: Convert to fraction form
    425,452.20/587,121.04 = 234,465.80/x
  3. Step 3: Cross multiply
    425,452.20x = 587,121.04 × 234,465.80
  4. Step 4: Simplify right side
    425,452.20x = 137,659,804,340.43
  5. Step 5: Solve for x
    x = 137,659,804,340.43/425,452.20
  6. Step 6: Final answer
    x = 323,561.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.