Home / 865,577.38-1,298,096.19-325,908.73

Finding the Fourth Proportional to 865,577.38, 1,298,096.19 and 325,908.73

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Solution

The fourth proportional to 865,577.38, 1,298,096.19 and 325,908.73 is: 488,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,577.38 : 1,298,096.19 = 325,908.73 : x
  2. Step 2: Convert to fraction form
    865,577.38/1,298,096.19 = 325,908.73/x
  3. Step 3: Cross multiply
    865,577.38x = 1,298,096.19 × 325,908.73
  4. Step 4: Simplify right side
    865,577.38x = 423,060,877,305.31
  5. Step 5: Solve for x
    x = 423,060,877,305.31/865,577.38
  6. Step 6: Final answer
    x = 488,761.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.