Home / 762,511.14-1,143,774.92-230,036.78

Finding the Fourth Proportional to 762,511.14, 1,143,774.92 and 230,036.78

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Solution

The fourth proportional to 762,511.14, 1,143,774.92 and 230,036.78 is: 345,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,511.14 : 1,143,774.92 = 230,036.78 : x
  2. Step 2: Convert to fraction form
    762,511.14/1,143,774.92 = 230,036.78/x
  3. Step 3: Cross multiply
    762,511.14x = 1,143,774.92 × 230,036.78
  4. Step 4: Simplify right side
    762,511.14x = 263,110,299,641.56
  5. Step 5: Solve for x
    x = 263,110,299,641.56/762,511.14
  6. Step 6: Final answer
    x = 345,057.65

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1.5x scale

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.