Home / 925,262.22-1,387,707.42-326,247.78

Finding the Fourth Proportional to 925,262.22, 1,387,707.42 and 326,247.78

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Solution

The fourth proportional to 925,262.22, 1,387,707.42 and 326,247.78 is: 489,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,262.22 : 1,387,707.42 = 326,247.78 : x
  2. Step 2: Convert to fraction form
    925,262.22/1,387,707.42 = 326,247.78/x
  3. Step 3: Cross multiply
    925,262.22x = 1,387,707.42 × 326,247.78
  4. Step 4: Simplify right side
    925,262.22x = 452,736,465,064.53
  5. Step 5: Solve for x
    x = 452,736,465,064.53/925,262.22
  6. Step 6: Final answer
    x = 489,306.12

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1.5x scale

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.