Home / 782,847.43-1,080,311.17-460,578.31

Finding the Fourth Proportional to 782,847.43, 1,080,311.17 and 460,578.31

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Solution

The fourth proportional to 782,847.43, 1,080,311.17 and 460,578.31 is: 635,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,847.43 : 1,080,311.17 = 460,578.31 : x
  2. Step 2: Convert to fraction form
    782,847.43/1,080,311.17 = 460,578.31/x
  3. Step 3: Cross multiply
    782,847.43x = 1,080,311.17 × 460,578.31
  4. Step 4: Simplify right side
    782,847.43x = 497,567,885,248.28
  5. Step 5: Solve for x
    x = 497,567,885,248.28/782,847.43
  6. Step 6: Final answer
    x = 635,587.31

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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.