Home / 457,101.20-630,590.28-296,008.19

Finding the Fourth Proportional to 457,101.20, 630,590.28 and 296,008.19

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Solution

The fourth proportional to 457,101.20, 630,590.28 and 296,008.19 is: 408,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,101.20 : 630,590.28 = 296,008.19 : x
  2. Step 2: Convert to fraction form
    457,101.20/630,590.28 = 296,008.19/x
  3. Step 3: Cross multiply
    457,101.20x = 630,590.28 × 296,008.19
  4. Step 4: Simplify right side
    457,101.20x = 186,659,884,261.44
  5. Step 5: Solve for x
    x = 186,659,884,261.44/457,101.20
  6. Step 6: Final answer
    x = 408,355.71

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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.