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Finding the Fourth Proportional to 549,648.28, 758,512.96 and 304,648.68

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Solution

The fourth proportional to 549,648.28, 758,512.96 and 304,648.68 is: 420,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,648.28 : 758,512.96 = 304,648.68 : x
  2. Step 2: Convert to fraction form
    549,648.28/758,512.96 = 304,648.68/x
  3. Step 3: Cross multiply
    549,648.28x = 758,512.96 × 304,648.68
  4. Step 4: Simplify right side
    549,648.28x = 231,079,972,026.89
  5. Step 5: Solve for x
    x = 231,079,972,026.89/549,648.28
  6. Step 6: Final answer
    x = 420,414.25

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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.