Home / 723,006-1,085,159.46-386,334.44

Finding the Fourth Proportional to 723,006, 1,085,159.46 and 386,334.44

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Solution

The fourth proportional to 723,006, 1,085,159.46 and 386,334.44 is: 579,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,006 : 1,085,159.46 = 386,334.44 : x
  2. Step 2: Convert to fraction form
    723,006/1,085,159.46 = 386,334.44/x
  3. Step 3: Cross multiply
    723,006x = 1,085,159.46 × 386,334.44
  4. Step 4: Simplify right side
    723,006x = 419,234,472,289.80
  5. Step 5: Solve for x
    x = 419,234,472,289.80/723,006
  6. Step 6: Final answer
    x = 579,849.23

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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.