Home / 815,279.60-1,223,395.68-341,925.32

Finding the Fourth Proportional to 815,279.60, 1,223,395.68 and 341,925.32

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Solution

The fourth proportional to 815,279.60, 1,223,395.68 and 341,925.32 is: 513,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,279.60 : 1,223,395.68 = 341,925.32 : x
  2. Step 2: Convert to fraction form
    815,279.60/1,223,395.68 = 341,925.32/x
  3. Step 3: Cross multiply
    815,279.60x = 1,223,395.68 × 341,925.32
  4. Step 4: Simplify right side
    815,279.60x = 418,309,959,370.62
  5. Step 5: Solve for x
    x = 418,309,959,370.62/815,279.60
  6. Step 6: Final answer
    x = 513,087.73

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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.