Home / 951,008.58-1,312,407.72-515,439.88

Finding the Fourth Proportional to 951,008.58, 1,312,407.72 and 515,439.88

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Solution

The fourth proportional to 951,008.58, 1,312,407.72 and 515,439.88 is: 711,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,008.58 : 1,312,407.72 = 515,439.88 : x
  2. Step 2: Convert to fraction form
    951,008.58/1,312,407.72 = 515,439.88/x
  3. Step 3: Cross multiply
    951,008.58x = 1,312,407.72 × 515,439.88
  4. Step 4: Simplify right side
    951,008.58x = 676,467,274,426.85
  5. Step 5: Solve for x
    x = 676,467,274,426.85/951,008.58
  6. Step 6: Final answer
    x = 711,315.64

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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.