Home / 908,540.33-1,253,785.76-526,788.54

Finding the Fourth Proportional to 908,540.33, 1,253,785.76 and 526,788.54

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Solution

The fourth proportional to 908,540.33, 1,253,785.76 and 526,788.54 is: 726,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,540.33 : 1,253,785.76 = 526,788.54 : x
  2. Step 2: Convert to fraction form
    908,540.33/1,253,785.76 = 526,788.54/x
  3. Step 3: Cross multiply
    908,540.33x = 1,253,785.76 × 526,788.54
  4. Step 4: Simplify right side
    908,540.33x = 660,479,969,983.19
  5. Step 5: Solve for x
    x = 660,479,969,983.19/908,540.33
  6. Step 6: Final answer
    x = 726,968.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.