Home / 928,268.11-1,391,324.61-351,524.78

Finding the Fourth Proportional to 928,268.11, 1,391,324.61 and 351,524.78

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Solution

The fourth proportional to 928,268.11, 1,391,324.61 and 351,524.78 is: 526,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,268.11 : 1,391,324.61 = 351,524.78 : x
  2. Step 2: Convert to fraction form
    928,268.11/1,391,324.61 = 351,524.78/x
  3. Step 3: Cross multiply
    928,268.11x = 1,391,324.61 × 351,524.78
  4. Step 4: Simplify right side
    928,268.11x = 489,085,075,681.21
  5. Step 5: Solve for x
    x = 489,085,075,681.21/928,268.11
  6. Step 6: Final answer
    x = 526,879.11

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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.