Home / 839,524.50-1,259,286.75-306,755.10

Finding the Fourth Proportional to 839,524.50, 1,259,286.75 and 306,755.10

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Solution

The fourth proportional to 839,524.50, 1,259,286.75 and 306,755.10 is: 460,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,524.50 : 1,259,286.75 = 306,755.10 : x
  2. Step 2: Convert to fraction form
    839,524.50/1,259,286.75 = 306,755.10/x
  3. Step 3: Cross multiply
    839,524.50x = 1,259,286.75 × 306,755.10
  4. Step 4: Simplify right side
    839,524.50x = 386,292,632,924.93
  5. Step 5: Solve for x
    x = 386,292,632,924.93/839,524.50
  6. Step 6: Final answer
    x = 460,132.65

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Half scale
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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.