Home / 782,770.62-1,080,205.18-460,501.47

Finding the Fourth Proportional to 782,770.62, 1,080,205.18 and 460,501.47

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Solution

The fourth proportional to 782,770.62, 1,080,205.18 and 460,501.47 is: 635,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,770.62 : 1,080,205.18 = 460,501.47 : x
  2. Step 2: Convert to fraction form
    782,770.62/1,080,205.18 = 460,501.47/x
  3. Step 3: Cross multiply
    782,770.62x = 1,080,205.18 × 460,501.47
  4. Step 4: Simplify right side
    782,770.62x = 497,436,073,291.62
  5. Step 5: Solve for x
    x = 497,436,073,291.62/782,770.62
  6. Step 6: Final answer
    x = 635,481.28

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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.