Home / 765,903.80-1,148,768.16-204,982.04

Finding the Fourth Proportional to 765,903.80, 1,148,768.16 and 204,982.04

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Solution

The fourth proportional to 765,903.80, 1,148,768.16 and 204,982.04 is: 307,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,903.80 : 1,148,768.16 = 204,982.04 : x
  2. Step 2: Convert to fraction form
    765,903.80/1,148,768.16 = 204,982.04/x
  3. Step 3: Cross multiply
    765,903.80x = 1,148,768.16 × 204,982.04
  4. Step 4: Simplify right side
    765,903.80x = 235,476,840,923.85
  5. Step 5: Solve for x
    x = 235,476,840,923.85/765,903.80
  6. Step 6: Final answer
    x = 307,449.63

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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.