Home / 762,161.28-1,143,390.15-229,655.94

Finding the Fourth Proportional to 762,161.28, 1,143,390.15 and 229,655.94

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Solution

The fourth proportional to 762,161.28, 1,143,390.15 and 229,655.94 is: 344,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,161.28 : 1,143,390.15 = 229,655.94 : x
  2. Step 2: Convert to fraction form
    762,161.28/1,143,390.15 = 229,655.94/x
  3. Step 3: Cross multiply
    762,161.28x = 1,143,390.15 × 229,655.94
  4. Step 4: Simplify right side
    762,161.28x = 262,586,339,684.99
  5. Step 5: Solve for x
    x = 262,586,339,684.99/762,161.28
  6. Step 6: Final answer
    x = 344,528.57

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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.