Home / 417,612.30-576,306.48-226,625.64

Finding the Fourth Proportional to 417,612.30, 576,306.48 and 226,625.64

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Solution

The fourth proportional to 417,612.30, 576,306.48 and 226,625.64 is: 312,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,612.30 : 576,306.48 = 226,625.64 : x
  2. Step 2: Convert to fraction form
    417,612.30/576,306.48 = 226,625.64/x
  3. Step 3: Cross multiply
    417,612.30x = 576,306.48 × 226,625.64
  4. Step 4: Simplify right side
    417,612.30x = 130,605,824,866.15
  5. Step 5: Solve for x
    x = 130,605,824,866.15/417,612.30
  6. Step 6: Final answer
    x = 312,744.20

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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.