Home / 782,769.62-1,080,203.80-460,500.47

Finding the Fourth Proportional to 782,769.62, 1,080,203.80 and 460,500.47

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Solution

The fourth proportional to 782,769.62, 1,080,203.80 and 460,500.47 is: 635,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,769.62 : 1,080,203.80 = 460,500.47 : x
  2. Step 2: Convert to fraction form
    782,769.62/1,080,203.80 = 460,500.47/x
  3. Step 3: Cross multiply
    782,769.62x = 1,080,203.80 × 460,500.47
  4. Step 4: Simplify right side
    782,769.62x = 497,434,357,595.79
  5. Step 5: Solve for x
    x = 497,434,357,595.79/782,769.62
  6. Step 6: Final answer
    x = 635,479.90

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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.