Home / 726,896.70-1,091,511.45-491,283.90

Finding the Fourth Proportional to 726,896.70, 1,091,511.45 and 491,283.90

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Solution

The fourth proportional to 726,896.70, 1,091,511.45 and 491,283.90 is: 737,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,896.70 : 1,091,511.45 = 491,283.90 : x
  2. Step 2: Convert to fraction form
    726,896.70/1,091,511.45 = 491,283.90/x
  3. Step 3: Cross multiply
    726,896.70x = 1,091,511.45 × 491,283.90
  4. Step 4: Simplify right side
    726,896.70x = 536,242,002,050.66
  5. Step 5: Solve for x
    x = 536,242,002,050.66/726,896.70
  6. Step 6: Final answer
    x = 737,714.18

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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.