Home / 762,059.18-1,143,215.14-256,662.92

Finding the Fourth Proportional to 762,059.18, 1,143,215.14 and 256,662.92

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Solution

The fourth proportional to 762,059.18, 1,143,215.14 and 256,662.92 is: 385,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,059.18 : 1,143,215.14 = 256,662.92 : x
  2. Step 2: Convert to fraction form
    762,059.18/1,143,215.14 = 256,662.92/x
  3. Step 3: Cross multiply
    762,059.18x = 1,143,215.14 × 256,662.92
  4. Step 4: Simplify right side
    762,059.18x = 293,420,936,020.61
  5. Step 5: Solve for x
    x = 293,420,936,020.61/762,059.18
  6. Step 6: Final answer
    x = 385,036.94

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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.