Home / 782,976.39-1,080,456.26-460,624.20

Finding the Fourth Proportional to 782,976.39, 1,080,456.26 and 460,624.20

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Solution

The fourth proportional to 782,976.39, 1,080,456.26 and 460,624.20 is: 635,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,976.39 : 1,080,456.26 = 460,624.20 : x
  2. Step 2: Convert to fraction form
    782,976.39/1,080,456.26 = 460,624.20/x
  3. Step 3: Cross multiply
    782,976.39x = 1,080,456.26 × 460,624.20
  4. Step 4: Simplify right side
    782,976.39x = 497,684,298,094.37
  5. Step 5: Solve for x
    x = 497,684,298,094.37/782,976.39
  6. Step 6: Final answer
    x = 635,631.30

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Double scale
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Similar ratio
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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.