Home / 951,489.12-1,313,092.85-521,784.66

Finding the Fourth Proportional to 951,489.12, 1,313,092.85 and 521,784.66

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Solution

The fourth proportional to 951,489.12, 1,313,092.85 and 521,784.66 is: 720,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,489.12 : 1,313,092.85 = 521,784.66 : x
  2. Step 2: Convert to fraction form
    951,489.12/1,313,092.85 = 521,784.66/x
  3. Step 3: Cross multiply
    951,489.12x = 1,313,092.85 × 521,784.66
  4. Step 4: Simplify right side
    951,489.12x = 685,151,703,676.76
  5. Step 5: Solve for x
    x = 685,151,703,676.76/951,489.12
  6. Step 6: Final answer
    x = 720,083.59

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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.