Home / 946,337.46-1,305,947.79-516,617.70

Finding the Fourth Proportional to 946,337.46, 1,305,947.79 and 516,617.70

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Solution

The fourth proportional to 946,337.46, 1,305,947.79 and 516,617.70 is: 712,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,337.46 : 1,305,947.79 = 516,617.70 : x
  2. Step 2: Convert to fraction form
    946,337.46/1,305,947.79 = 516,617.70/x
  3. Step 3: Cross multiply
    946,337.46x = 1,305,947.79 × 516,617.70
  4. Step 4: Simplify right side
    946,337.46x = 674,675,743,589.88
  5. Step 5: Solve for x
    x = 674,675,743,589.88/946,337.46
  6. Step 6: Final answer
    x = 712,933.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.