Home / 417,263.20-575,780.88-256,125.04

Finding the Fourth Proportional to 417,263.20, 575,780.88 and 256,125.04

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Solution

The fourth proportional to 417,263.20, 575,780.88 and 256,125.04 is: 353,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,263.20 : 575,780.88 = 256,125.04 : x
  2. Step 2: Convert to fraction form
    417,263.20/575,780.88 = 256,125.04/x
  3. Step 3: Cross multiply
    417,263.20x = 575,780.88 × 256,125.04
  4. Step 4: Simplify right side
    417,263.20x = 147,471,900,921.24
  5. Step 5: Solve for x
    x = 147,471,900,921.24/417,263.20
  6. Step 6: Final answer
    x = 353,426.57

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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.