Home / 908,138.45-1,253,230.97-526,386.66

Finding the Fourth Proportional to 908,138.45, 1,253,230.97 and 526,386.66

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Solution

The fourth proportional to 908,138.45, 1,253,230.97 and 526,386.66 is: 726,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,138.45 : 1,253,230.97 = 526,386.66 : x
  2. Step 2: Convert to fraction form
    908,138.45/1,253,230.97 = 526,386.66/x
  3. Step 3: Cross multiply
    908,138.45x = 1,253,230.97 × 526,386.66
  4. Step 4: Simplify right side
    908,138.45x = 659,684,061,874.93
  5. Step 5: Solve for x
    x = 659,684,061,874.93/908,138.45
  6. Step 6: Final answer
    x = 726,413.54

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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.