Home / 723,029.20-1,084,538.32-217,588

Finding the Fourth Proportional to 723,029.20, 1,084,538.32 and 217,588

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Solution

The fourth proportional to 723,029.20, 1,084,538.32 and 217,588 is: 326,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,029.20 : 1,084,538.32 = 217,588 : x
  2. Step 2: Convert to fraction form
    723,029.20/1,084,538.32 = 217,588/x
  3. Step 3: Cross multiply
    723,029.20x = 1,084,538.32 × 217,588
  4. Step 4: Simplify right side
    723,029.20x = 235,982,523,972.16
  5. Step 5: Solve for x
    x = 235,982,523,972.16/723,029.20
  6. Step 6: Final answer
    x = 326,380.35

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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.