Home / 815,374.68-1,223,208.96-335,517.72

Finding the Fourth Proportional to 815,374.68, 1,223,208.96 and 335,517.72

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Solution

The fourth proportional to 815,374.68, 1,223,208.96 and 335,517.72 is: 503,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,374.68 : 1,223,208.96 = 335,517.72 : x
  2. Step 2: Convert to fraction form
    815,374.68/1,223,208.96 = 335,517.72/x
  3. Step 3: Cross multiply
    815,374.68x = 1,223,208.96 × 335,517.72
  4. Step 4: Simplify right side
    815,374.68x = 410,408,281,342.77
  5. Step 5: Solve for x
    x = 410,408,281,342.77/815,374.68
  6. Step 6: Final answer
    x = 503,337.04

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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.