Home / 672,229.30-1,007,458.35-493,899.70

Finding the Fourth Proportional to 672,229.30, 1,007,458.35 and 493,899.70

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Solution

The fourth proportional to 672,229.30, 1,007,458.35 and 493,899.70 is: 740,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,229.30 : 1,007,458.35 = 493,899.70 : x
  2. Step 2: Convert to fraction form
    672,229.30/1,007,458.35 = 493,899.70/x
  3. Step 3: Cross multiply
    672,229.30x = 1,007,458.35 × 493,899.70
  4. Step 4: Simplify right side
    672,229.30x = 497,583,376,827.50
  5. Step 5: Solve for x
    x = 497,583,376,827.50/672,229.30
  6. Step 6: Final answer
    x = 740,198.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.