Home / 865,247.20-1,298,097.60-332,785.60

Finding the Fourth Proportional to 865,247.20, 1,298,097.60 and 332,785.60

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Solution

The fourth proportional to 865,247.20, 1,298,097.60 and 332,785.60 is: 499,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,247.20 : 1,298,097.60 = 332,785.60 : x
  2. Step 2: Convert to fraction form
    865,247.20/1,298,097.60 = 332,785.60/x
  3. Step 3: Cross multiply
    865,247.20x = 1,298,097.60 × 332,785.60
  4. Step 4: Simplify right side
    865,247.20x = 431,988,188,674.56
  5. Step 5: Solve for x
    x = 431,988,188,674.56/865,247.20
  6. Step 6: Final answer
    x = 499,265.63

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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.