Home / 802,103.10-1,202,571.45-328,544.70

Finding the Fourth Proportional to 802,103.10, 1,202,571.45 and 328,544.70

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Solution

The fourth proportional to 802,103.10, 1,202,571.45 and 328,544.70 is: 492,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,103.10 : 1,202,571.45 = 328,544.70 : x
  2. Step 2: Convert to fraction form
    802,103.10/1,202,571.45 = 328,544.70/x
  3. Step 3: Cross multiply
    802,103.10x = 1,202,571.45 × 328,544.70
  4. Step 4: Simplify right side
    802,103.10x = 395,098,476,268.82
  5. Step 5: Solve for x
    x = 395,098,476,268.82/802,103.10
  6. Step 6: Final answer
    x = 492,578.17

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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.