Home / 946,108.32-1,305,630-516,380.64

Finding the Fourth Proportional to 946,108.32, 1,305,630 and 516,380.64

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Solution

The fourth proportional to 946,108.32, 1,305,630 and 516,380.64 is: 712,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,108.32 : 1,305,630 = 516,380.64 : x
  2. Step 2: Convert to fraction form
    946,108.32/1,305,630 = 516,380.64/x
  3. Step 3: Cross multiply
    946,108.32x = 1,305,630 × 516,380.64
  4. Step 4: Simplify right side
    946,108.32x = 674,202,055,003.20
  5. Step 5: Solve for x
    x = 674,202,055,003.20/946,108.32
  6. Step 6: Final answer
    x = 712,605.57

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.