Home / 659,333.08-989,177.17-339,310.56

Finding the Fourth Proportional to 659,333.08, 989,177.17 and 339,310.56

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Solution

The fourth proportional to 659,333.08, 989,177.17 and 339,310.56 is: 509,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,333.08 : 989,177.17 = 339,310.56 : x
  2. Step 2: Convert to fraction form
    659,333.08/989,177.17 = 339,310.56/x
  3. Step 3: Cross multiply
    659,333.08x = 989,177.17 × 339,310.56
  4. Step 4: Simplify right side
    659,333.08x = 335,638,259,491.92
  5. Step 5: Solve for x
    x = 335,638,259,491.92/659,333.08
  6. Step 6: Final answer
    x = 509,057.21

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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.