Home / 664,824.60-996,945.30-265,332.60

Finding the Fourth Proportional to 664,824.60, 996,945.30 and 265,332.60

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Solution

The fourth proportional to 664,824.60, 996,945.30 and 265,332.60 is: 397,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,824.60 : 996,945.30 = 265,332.60 : x
  2. Step 2: Convert to fraction form
    664,824.60/996,945.30 = 265,332.60/x
  3. Step 3: Cross multiply
    664,824.60x = 996,945.30 × 265,332.60
  4. Step 4: Simplify right side
    664,824.60x = 264,522,088,506.78
  5. Step 5: Solve for x
    x = 264,522,088,506.78/664,824.60
  6. Step 6: Final answer
    x = 397,882.52

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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.