Home / 826,296.20-1,239,444.30-472,002.20

Finding the Fourth Proportional to 826,296.20, 1,239,444.30 and 472,002.20

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Solution

The fourth proportional to 826,296.20, 1,239,444.30 and 472,002.20 is: 708,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,296.20 : 1,239,444.30 = 472,002.20 : x
  2. Step 2: Convert to fraction form
    826,296.20/1,239,444.30 = 472,002.20/x
  3. Step 3: Cross multiply
    826,296.20x = 1,239,444.30 × 472,002.20
  4. Step 4: Simplify right side
    826,296.20x = 585,020,436,377.46
  5. Step 5: Solve for x
    x = 585,020,436,377.46/826,296.20
  6. Step 6: Final answer
    x = 708,003.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.