Home / 784,755-1,177,143.57-223,789.50

Finding the Fourth Proportional to 784,755, 1,177,143.57 and 223,789.50

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Solution

The fourth proportional to 784,755, 1,177,143.57 and 223,789.50 is: 335,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,755 : 1,177,143.57 = 223,789.50 : x
  2. Step 2: Convert to fraction form
    784,755/1,177,143.57 = 223,789.50/x
  3. Step 3: Cross multiply
    784,755x = 1,177,143.57 × 223,789.50
  4. Step 4: Simplify right side
    784,755x = 263,432,370,958.52
  5. Step 5: Solve for x
    x = 263,432,370,958.52/784,755
  6. Step 6: Final answer
    x = 335,687.41

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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.