Home / 801,661.38-1,105,529.22-479,319.18

Finding the Fourth Proportional to 801,661.38, 1,105,529.22 and 479,319.18

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Solution

The fourth proportional to 801,661.38, 1,105,529.22 and 479,319.18 is: 661,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,661.38 : 1,105,529.22 = 479,319.18 : x
  2. Step 2: Convert to fraction form
    801,661.38/1,105,529.22 = 479,319.18/x
  3. Step 3: Cross multiply
    801,661.38x = 1,105,529.22 × 479,319.18
  4. Step 4: Simplify right side
    801,661.38x = 529,901,359,196.44
  5. Step 5: Solve for x
    x = 529,901,359,196.44/801,661.38
  6. Step 6: Final answer
    x = 661,003.98

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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.