Home / 929,474.28-1,281,951.37-672,315.88

Finding the Fourth Proportional to 929,474.28, 1,281,951.37 and 672,315.88

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Solution

The fourth proportional to 929,474.28, 1,281,951.37 and 672,315.88 is: 927,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,474.28 : 1,281,951.37 = 672,315.88 : x
  2. Step 2: Convert to fraction form
    929,474.28/1,281,951.37 = 672,315.88/x
  3. Step 3: Cross multiply
    929,474.28x = 1,281,951.37 × 672,315.88
  4. Step 4: Simplify right side
    929,474.28x = 861,876,263,438.76
  5. Step 5: Solve for x
    x = 861,876,263,438.76/929,474.28
  6. Step 6: Final answer
    x = 927,272.85

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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.