Home / 457,427.64-630,462.03-304,191.95

Finding the Fourth Proportional to 457,427.64, 630,462.03 and 304,191.95

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Solution

The fourth proportional to 457,427.64, 630,462.03 and 304,191.95 is: 419,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,427.64 : 630,462.03 = 304,191.95 : x
  2. Step 2: Convert to fraction form
    457,427.64/630,462.03 = 304,191.95/x
  3. Step 3: Cross multiply
    457,427.64x = 630,462.03 × 304,191.95
  4. Step 4: Simplify right side
    457,427.64x = 191,781,471,154.35
  5. Step 5: Solve for x
    x = 191,781,471,154.35/457,427.64
  6. Step 6: Final answer
    x = 419,260.78

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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.