Home / 723,131.43-1,084,259.61-323,697.75

Finding the Fourth Proportional to 723,131.43, 1,084,259.61 and 323,697.75

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Solution

The fourth proportional to 723,131.43, 1,084,259.61 and 323,697.75 is: 485,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,131.43 : 1,084,259.61 = 323,697.75 : x
  2. Step 2: Convert to fraction form
    723,131.43/1,084,259.61 = 323,697.75/x
  3. Step 3: Cross multiply
    723,131.43x = 1,084,259.61 × 323,697.75
  4. Step 4: Simplify right side
    723,131.43x = 350,972,396,172.88
  5. Step 5: Solve for x
    x = 350,972,396,172.88/723,131.43
  6. Step 6: Final answer
    x = 485,350.77

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Double scale
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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.