Home / 762,511.28-1,143,775.17-230,036.94

Finding the Fourth Proportional to 762,511.28, 1,143,775.17 and 230,036.94

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Solution

The fourth proportional to 762,511.28, 1,143,775.17 and 230,036.94 is: 345,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,511.28 : 1,143,775.17 = 230,036.94 : x
  2. Step 2: Convert to fraction form
    762,511.28/1,143,775.17 = 230,036.94/x
  3. Step 3: Cross multiply
    762,511.28x = 1,143,775.17 × 230,036.94
  4. Step 4: Simplify right side
    762,511.28x = 263,110,540,154.78
  5. Step 5: Solve for x
    x = 263,110,540,154.78/762,511.28
  6. Step 6: Final answer
    x = 345,057.90

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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.