Home / 825,352.38-1,238,138.73-326,599.74

Finding the Fourth Proportional to 825,352.38, 1,238,138.73 and 326,599.74

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Solution

The fourth proportional to 825,352.38, 1,238,138.73 and 326,599.74 is: 489,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,352.38 : 1,238,138.73 = 326,599.74 : x
  2. Step 2: Convert to fraction form
    825,352.38/1,238,138.73 = 326,599.74/x
  3. Step 3: Cross multiply
    825,352.38x = 1,238,138.73 × 326,599.74
  4. Step 4: Simplify right side
    825,352.38x = 404,375,787,301.93
  5. Step 5: Solve for x
    x = 404,375,787,301.93/825,352.38
  6. Step 6: Final answer
    x = 489,943.20

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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.