Home / 769,854.91-1,154,947.41-230,153.43

Finding the Fourth Proportional to 769,854.91, 1,154,947.41 and 230,153.43

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Solution

The fourth proportional to 769,854.91, 1,154,947.41 and 230,153.43 is: 345,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,854.91 : 1,154,947.41 = 230,153.43 : x
  2. Step 2: Convert to fraction form
    769,854.91/1,154,947.41 = 230,153.43/x
  3. Step 3: Cross multiply
    769,854.91x = 1,154,947.41 × 230,153.43
  4. Step 4: Simplify right side
    769,854.91x = 265,815,102,467.30
  5. Step 5: Solve for x
    x = 265,815,102,467.30/769,854.91
  6. Step 6: Final answer
    x = 345,279.48

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Double scale
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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.