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Finding the Fourth Proportional to 425,600.48, 587,332.76 and 234,620.76

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Solution

The fourth proportional to 425,600.48, 587,332.76 and 234,620.76 is: 323,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,600.48 : 587,332.76 = 234,620.76 : x
  2. Step 2: Convert to fraction form
    425,600.48/587,332.76 = 234,620.76/x
  3. Step 3: Cross multiply
    425,600.48x = 587,332.76 × 234,620.76
  4. Step 4: Simplify right side
    425,600.48x = 137,800,458,524.10
  5. Step 5: Solve for x
    x = 137,800,458,524.10/425,600.48
  6. Step 6: Final answer
    x = 323,778.91

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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.