Home / 591,001.55-815,621.83-329,397.57

Finding the Fourth Proportional to 591,001.55, 815,621.83 and 329,397.57

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Solution

The fourth proportional to 591,001.55, 815,621.83 and 329,397.57 is: 454,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,001.55 : 815,621.83 = 329,397.57 : x
  2. Step 2: Convert to fraction form
    591,001.55/815,621.83 = 329,397.57/x
  3. Step 3: Cross multiply
    591,001.55x = 815,621.83 × 329,397.57
  4. Step 4: Simplify right side
    591,001.55x = 268,663,847,223.45
  5. Step 5: Solve for x
    x = 268,663,847,223.45/591,001.55
  6. Step 6: Final answer
    x = 454,590.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.