Home / 765,353.80-1,147,632.92-225,539.28

Finding the Fourth Proportional to 765,353.80, 1,147,632.92 and 225,539.28

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Solution

The fourth proportional to 765,353.80, 1,147,632.92 and 225,539.28 is: 338,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,353.80 : 1,147,632.92 = 225,539.28 : x
  2. Step 2: Convert to fraction form
    765,353.80/1,147,632.92 = 225,539.28/x
  3. Step 3: Cross multiply
    765,353.80x = 1,147,632.92 × 225,539.28
  4. Step 4: Simplify right side
    765,353.80x = 258,836,302,481.10
  5. Step 5: Solve for x
    x = 258,836,302,481.10/765,353.80
  6. Step 6: Final answer
    x = 338,191.70

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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.