Home / 755,335.72-1,132,998.54-306,049.96

Finding the Fourth Proportional to 755,335.72, 1,132,998.54 and 306,049.96

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Solution

The fourth proportional to 755,335.72, 1,132,998.54 and 306,049.96 is: 459,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,335.72 : 1,132,998.54 = 306,049.96 : x
  2. Step 2: Convert to fraction form
    755,335.72/1,132,998.54 = 306,049.96/x
  3. Step 3: Cross multiply
    755,335.72x = 1,132,998.54 × 306,049.96
  4. Step 4: Simplify right side
    755,335.72x = 346,754,157,847.06
  5. Step 5: Solve for x
    x = 346,754,157,847.06/755,335.72
  6. Step 6: Final answer
    x = 459,072.90

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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.