Home / 723,439.28-1,084,057.32-367,920.56

Finding the Fourth Proportional to 723,439.28, 1,084,057.32 and 367,920.56

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Solution

The fourth proportional to 723,439.28, 1,084,057.32 and 367,920.56 is: 551,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,439.28 : 1,084,057.32 = 367,920.56 : x
  2. Step 2: Convert to fraction form
    723,439.28/1,084,057.32 = 367,920.56/x
  3. Step 3: Cross multiply
    723,439.28x = 1,084,057.32 × 367,920.56
  4. Step 4: Simplify right side
    723,439.28x = 398,846,976,246.50
  5. Step 5: Solve for x
    x = 398,846,976,246.50/723,439.28
  6. Step 6: Final answer
    x = 551,320.60

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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.