Home / 632,115.25-948,173.79-258,138.25

Finding the Fourth Proportional to 632,115.25, 948,173.79 and 258,138.25

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Solution

The fourth proportional to 632,115.25, 948,173.79 and 258,138.25 is: 387,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,115.25 : 948,173.79 = 258,138.25 : x
  2. Step 2: Convert to fraction form
    632,115.25/948,173.79 = 258,138.25/x
  3. Step 3: Cross multiply
    632,115.25x = 948,173.79 × 258,138.25
  4. Step 4: Simplify right side
    632,115.25x = 244,759,922,846.47
  5. Step 5: Solve for x
    x = 244,759,922,846.47/632,115.25
  6. Step 6: Final answer
    x = 387,207.75

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Double scale
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Similar ratio
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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.