Home / 951,158.30-1,312,615.35-515,589.92

Finding the Fourth Proportional to 951,158.30, 1,312,615.35 and 515,589.92

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Solution

The fourth proportional to 951,158.30, 1,312,615.35 and 515,589.92 is: 711,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,158.30 : 1,312,615.35 = 515,589.92 : x
  2. Step 2: Convert to fraction form
    951,158.30/1,312,615.35 = 515,589.92/x
  3. Step 3: Cross multiply
    951,158.30x = 1,312,615.35 × 515,589.92
  4. Step 4: Simplify right side
    951,158.30x = 676,771,236,734.20
  5. Step 5: Solve for x
    x = 676,771,236,734.20/951,158.30
  6. Step 6: Final answer
    x = 711,523.25

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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.