Home / 723,034.20-1,084,555.14-217,591.71

Finding the Fourth Proportional to 723,034.20, 1,084,555.14 and 217,591.71

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Solution

The fourth proportional to 723,034.20, 1,084,555.14 and 217,591.71 is: 326,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,034.20 : 1,084,555.14 = 217,591.71 : x
  2. Step 2: Convert to fraction form
    723,034.20/1,084,555.14 = 217,591.71/x
  3. Step 3: Cross multiply
    723,034.20x = 1,084,555.14 × 217,591.71
  4. Step 4: Simplify right side
    723,034.20x = 235,990,207,501.89
  5. Step 5: Solve for x
    x = 235,990,207,501.89/723,034.20
  6. Step 6: Final answer
    x = 326,388.72

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Half scale
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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.