Home / 762,654.66-1,143,302.20-289,672.18

Finding the Fourth Proportional to 762,654.66, 1,143,302.20 and 289,672.18

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Solution

The fourth proportional to 762,654.66, 1,143,302.20 and 289,672.18 is: 434,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,654.66 : 1,143,302.20 = 289,672.18 : x
  2. Step 2: Convert to fraction form
    762,654.66/1,143,302.20 = 289,672.18/x
  3. Step 3: Cross multiply
    762,654.66x = 1,143,302.20 × 289,672.18
  4. Step 4: Simplify right side
    762,654.66x = 331,182,840,672.80
  5. Step 5: Solve for x
    x = 331,182,840,672.80/762,654.66
  6. Step 6: Final answer
    x = 434,250.07

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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.