Home / 417,695.04-576,421.20-226,708.80

Finding the Fourth Proportional to 417,695.04, 576,421.20 and 226,708.80

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Solution

The fourth proportional to 417,695.04, 576,421.20 and 226,708.80 is: 312,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,695.04 : 576,421.20 = 226,708.80 : x
  2. Step 2: Convert to fraction form
    417,695.04/576,421.20 = 226,708.80/x
  3. Step 3: Cross multiply
    417,695.04x = 576,421.20 × 226,708.80
  4. Step 4: Simplify right side
    417,695.04x = 130,679,758,546.56
  5. Step 5: Solve for x
    x = 130,679,758,546.56/417,695.04
  6. Step 6: Final answer
    x = 312,859.25

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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.