Home / 418,311.20-577,353.24-248,512.52

Finding the Fourth Proportional to 418,311.20, 577,353.24 and 248,512.52

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Solution

The fourth proportional to 418,311.20, 577,353.24 and 248,512.52 is: 342,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,311.20 : 577,353.24 = 248,512.52 : x
  2. Step 2: Convert to fraction form
    418,311.20/577,353.24 = 248,512.52/x
  3. Step 3: Cross multiply
    418,311.20x = 577,353.24 × 248,512.52
  4. Step 4: Simplify right side
    418,311.20x = 143,479,508,602.57
  5. Step 5: Solve for x
    x = 143,479,508,602.57/418,311.20
  6. Step 6: Final answer
    x = 342,997.05

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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.