Home / 769,343.36-1,060,626.24-663,045.44

Finding the Fourth Proportional to 769,343.36, 1,060,626.24 and 663,045.44

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Solution

The fourth proportional to 769,343.36, 1,060,626.24 and 663,045.44 is: 914,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,343.36 : 1,060,626.24 = 663,045.44 : x
  2. Step 2: Convert to fraction form
    769,343.36/1,060,626.24 = 663,045.44/x
  3. Step 3: Cross multiply
    769,343.36x = 1,060,626.24 × 663,045.44
  4. Step 4: Simplify right side
    769,343.36x = 703,243,391,976.35
  5. Step 5: Solve for x
    x = 703,243,391,976.35/769,343.36
  6. Step 6: Final answer
    x = 914,082.62

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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.