Home / 723,809.87-1,085,722.63-218,375.24

Finding the Fourth Proportional to 723,809.87, 1,085,722.63 and 218,375.24

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Solution

The fourth proportional to 723,809.87, 1,085,722.63 and 218,375.24 is: 327,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,809.87 : 1,085,722.63 = 218,375.24 : x
  2. Step 2: Convert to fraction form
    723,809.87/1,085,722.63 = 218,375.24/x
  3. Step 3: Cross multiply
    723,809.87x = 1,085,722.63 × 218,375.24
  4. Step 4: Simplify right side
    723,809.87x = 237,094,941,260.68
  5. Step 5: Solve for x
    x = 237,094,941,260.68/723,809.87
  6. Step 6: Final answer
    x = 327,565.22

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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.