Home / 827,711.27-1,142,264.30-465,168.18

Finding the Fourth Proportional to 827,711.27, 1,142,264.30 and 465,168.18

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Solution

The fourth proportional to 827,711.27, 1,142,264.30 and 465,168.18 is: 641,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,711.27 : 1,142,264.30 = 465,168.18 : x
  2. Step 2: Convert to fraction form
    827,711.27/1,142,264.30 = 465,168.18/x
  3. Step 3: Cross multiply
    827,711.27x = 1,142,264.30 × 465,168.18
  4. Step 4: Simplify right side
    827,711.27x = 531,345,003,184.13
  5. Step 5: Solve for x
    x = 531,345,003,184.13/827,711.27
  6. Step 6: Final answer
    x = 641,944.87

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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.