Home / 765,687.70-1,148,263.46-225,800.63

Finding the Fourth Proportional to 765,687.70, 1,148,263.46 and 225,800.63

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Solution

The fourth proportional to 765,687.70, 1,148,263.46 and 225,800.63 is: 338,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,687.70 : 1,148,263.46 = 225,800.63 : x
  2. Step 2: Convert to fraction form
    765,687.70/1,148,263.46 = 225,800.63/x
  3. Step 3: Cross multiply
    765,687.70x = 1,148,263.46 × 225,800.63
  4. Step 4: Simplify right side
    765,687.70x = 259,278,610,956.40
  5. Step 5: Solve for x
    x = 259,278,610,956.40/765,687.70
  6. Step 6: Final answer
    x = 338,621.88

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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.