Home / 951,200.06-1,312,655.76-521,470.97

Finding the Fourth Proportional to 951,200.06, 1,312,655.76 and 521,470.97

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Solution

The fourth proportional to 951,200.06, 1,312,655.76 and 521,470.97 is: 719,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,200.06 : 1,312,655.76 = 521,470.97 : x
  2. Step 2: Convert to fraction form
    951,200.06/1,312,655.76 = 521,470.97/x
  3. Step 3: Cross multiply
    951,200.06x = 1,312,655.76 × 521,470.97
  4. Step 4: Simplify right side
    951,200.06x = 684,511,872,443.29
  5. Step 5: Solve for x
    x = 684,511,872,443.29/951,200.06
  6. Step 6: Final answer
    x = 719,629.76

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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.