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Finding the Fourth Proportional to 500,500.56, 750,750.84 and 126,523.56

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Solution

The fourth proportional to 500,500.56, 750,750.84 and 126,523.56 is: 189,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,500.56 : 750,750.84 = 126,523.56 : x
  2. Step 2: Convert to fraction form
    500,500.56/750,750.84 = 126,523.56/x
  3. Step 3: Cross multiply
    500,500.56x = 750,750.84 × 126,523.56
  4. Step 4: Simplify right side
    500,500.56x = 94,987,668,949.79
  5. Step 5: Solve for x
    x = 94,987,668,949.79/500,500.56
  6. Step 6: Final answer
    x = 189,785.34

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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.