Home / 812,273.20-1,219,527.80-413,184

Finding the Fourth Proportional to 812,273.20, 1,219,527.80 and 413,184

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Solution

The fourth proportional to 812,273.20, 1,219,527.80 and 413,184 is: 620,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,273.20 : 1,219,527.80 = 413,184 : x
  2. Step 2: Convert to fraction form
    812,273.20/1,219,527.80 = 413,184/x
  3. Step 3: Cross multiply
    812,273.20x = 1,219,527.80 × 413,184
  4. Step 4: Simplify right side
    812,273.20x = 503,889,374,515.20
  5. Step 5: Solve for x
    x = 503,889,374,515.20/812,273.20
  6. Step 6: Final answer
    x = 620,344.70

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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.