Home / 781,568.47-1,171,740.26-308,607.85

Finding the Fourth Proportional to 781,568.47, 1,171,740.26 and 308,607.85

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Solution

The fourth proportional to 781,568.47, 1,171,740.26 and 308,607.85 is: 462,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,568.47 : 1,171,740.26 = 308,607.85 : x
  2. Step 2: Convert to fraction form
    781,568.47/1,171,740.26 = 308,607.85/x
  3. Step 3: Cross multiply
    781,568.47x = 1,171,740.26 × 308,607.85
  4. Step 4: Simplify right side
    781,568.47x = 361,608,244,633.24
  5. Step 5: Solve for x
    x = 361,608,244,633.24/781,568.47
  6. Step 6: Final answer
    x = 462,669.95

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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.