Home / 757,944.80-1,045,982.86-431,239.82

Finding the Fourth Proportional to 757,944.80, 1,045,982.86 and 431,239.82

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Solution

The fourth proportional to 757,944.80, 1,045,982.86 and 431,239.82 is: 595,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,944.80 : 1,045,982.86 = 431,239.82 : x
  2. Step 2: Convert to fraction form
    757,944.80/1,045,982.86 = 431,239.82/x
  3. Step 3: Cross multiply
    757,944.80x = 1,045,982.86 × 431,239.82
  4. Step 4: Simplify right side
    757,944.80x = 451,069,460,269.49
  5. Step 5: Solve for x
    x = 451,069,460,269.49/757,944.80
  6. Step 6: Final answer
    x = 595,121.78

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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.