Home / 769,046.62-1,152,820.13-307,286.97

Finding the Fourth Proportional to 769,046.62, 1,152,820.13 and 307,286.97

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Solution

The fourth proportional to 769,046.62, 1,152,820.13 and 307,286.97 is: 460,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,046.62 : 1,152,820.13 = 307,286.97 : x
  2. Step 2: Convert to fraction form
    769,046.62/1,152,820.13 = 307,286.97/x
  3. Step 3: Cross multiply
    769,046.62x = 1,152,820.13 × 307,286.97
  4. Step 4: Simplify right side
    769,046.62x = 354,246,604,702.71
  5. Step 5: Solve for x
    x = 354,246,604,702.71/769,046.62
  6. Step 6: Final answer
    x = 460,630.86

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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.