Home / 985,833.78-1,478,750.79-237,879.78

Finding the Fourth Proportional to 985,833.78, 1,478,750.79 and 237,879.78

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Solution

The fourth proportional to 985,833.78, 1,478,750.79 and 237,879.78 is: 356,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,833.78 : 1,478,750.79 = 237,879.78 : x
  2. Step 2: Convert to fraction form
    985,833.78/1,478,750.79 = 237,879.78/x
  3. Step 3: Cross multiply
    985,833.78x = 1,478,750.79 × 237,879.78
  4. Step 4: Simplify right side
    985,833.78x = 351,764,912,600.03
  5. Step 5: Solve for x
    x = 351,764,912,600.03/985,833.78
  6. Step 6: Final answer
    x = 356,819.70

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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.