Home / 782,769.12-1,080,203.11-460,499.97

Finding the Fourth Proportional to 782,769.12, 1,080,203.11 and 460,499.97

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Solution

The fourth proportional to 782,769.12, 1,080,203.11 and 460,499.97 is: 635,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,769.12 : 1,080,203.11 = 460,499.97 : x
  2. Step 2: Convert to fraction form
    782,769.12/1,080,203.11 = 460,499.97/x
  3. Step 3: Cross multiply
    782,769.12x = 1,080,203.11 × 460,499.97
  4. Step 4: Simplify right side
    782,769.12x = 497,433,499,748.91
  5. Step 5: Solve for x
    x = 497,433,499,748.91/782,769.12
  6. Step 6: Final answer
    x = 635,479.21

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1.5x scale

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.