Home / 801,686.98-1,202,530.16-321,914.64

Finding the Fourth Proportional to 801,686.98, 1,202,530.16 and 321,914.64

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Solution

The fourth proportional to 801,686.98, 1,202,530.16 and 321,914.64 is: 482,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,686.98 : 1,202,530.16 = 321,914.64 : x
  2. Step 2: Convert to fraction form
    801,686.98/1,202,530.16 = 321,914.64/x
  3. Step 3: Cross multiply
    801,686.98x = 1,202,530.16 × 321,914.64
  4. Step 4: Simplify right side
    801,686.98x = 387,112,064,350.33
  5. Step 5: Solve for x
    x = 387,112,064,350.33/801,686.98
  6. Step 6: Final answer
    x = 482,871.84

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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.