Home / 872,002.76-1,308,336.24-303,447.04

Finding the Fourth Proportional to 872,002.76, 1,308,336.24 and 303,447.04

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Solution

The fourth proportional to 872,002.76, 1,308,336.24 and 303,447.04 is: 455,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,002.76 : 1,308,336.24 = 303,447.04 : x
  2. Step 2: Convert to fraction form
    872,002.76/1,308,336.24 = 303,447.04/x
  3. Step 3: Cross multiply
    872,002.76x = 1,308,336.24 × 303,447.04
  4. Step 4: Simplify right side
    872,002.76x = 397,010,759,352.73
  5. Step 5: Solve for x
    x = 397,010,759,352.73/872,002.76
  6. Step 6: Final answer
    x = 455,286.13

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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.