Home / 656,899.37-985,264.11-207,665.48

Finding the Fourth Proportional to 656,899.37, 985,264.11 and 207,665.48

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Solution

The fourth proportional to 656,899.37, 985,264.11 and 207,665.48 is: 311,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,899.37 : 985,264.11 = 207,665.48 : x
  2. Step 2: Convert to fraction form
    656,899.37/985,264.11 = 207,665.48/x
  3. Step 3: Cross multiply
    656,899.37x = 985,264.11 × 207,665.48
  4. Step 4: Simplify right side
    656,899.37x = 204,605,339,403.60
  5. Step 5: Solve for x
    x = 204,605,339,403.60/656,899.37
  6. Step 6: Final answer
    x = 311,471.36

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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.