Home / 858,673.60-1,288,650.30-327,232.60

Finding the Fourth Proportional to 858,673.60, 1,288,650.30 and 327,232.60

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Solution

The fourth proportional to 858,673.60, 1,288,650.30 and 327,232.60 is: 491,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,673.60 : 1,288,650.30 = 327,232.60 : x
  2. Step 2: Convert to fraction form
    858,673.60/1,288,650.30 = 327,232.60/x
  3. Step 3: Cross multiply
    858,673.60x = 1,288,650.30 × 327,232.60
  4. Step 4: Simplify right side
    858,673.60x = 421,688,388,159.78
  5. Step 5: Solve for x
    x = 421,688,388,159.78/858,673.60
  6. Step 6: Final answer
    x = 491,092.76

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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.