Home / 723,329.04-1,085,052.73-363,314.78

Finding the Fourth Proportional to 723,329.04, 1,085,052.73 and 363,314.78

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Solution

The fourth proportional to 723,329.04, 1,085,052.73 and 363,314.78 is: 545,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,329.04 : 1,085,052.73 = 363,314.78 : x
  2. Step 2: Convert to fraction form
    723,329.04/1,085,052.73 = 363,314.78/x
  3. Step 3: Cross multiply
    723,329.04x = 1,085,052.73 × 363,314.78
  4. Step 4: Simplify right side
    723,329.04x = 394,215,692,304.96
  5. Step 5: Solve for x
    x = 394,215,692,304.96/723,329.04
  6. Step 6: Final answer
    x = 545,001.88

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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.