Home / 925,263.22-1,387,708.92-326,248.78

Finding the Fourth Proportional to 925,263.22, 1,387,708.92 and 326,248.78

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Solution

The fourth proportional to 925,263.22, 1,387,708.92 and 326,248.78 is: 489,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,263.22 : 1,387,708.92 = 326,248.78 : x
  2. Step 2: Convert to fraction form
    925,263.22/1,387,708.92 = 326,248.78/x
  3. Step 3: Cross multiply
    925,263.22x = 1,387,708.92 × 326,248.78
  4. Step 4: Simplify right side
    925,263.22x = 452,738,342,145.12
  5. Step 5: Solve for x
    x = 452,738,342,145.12/925,263.22
  6. Step 6: Final answer
    x = 489,307.62

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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.