Home / 802,813.12-1,203,376.80-270,149.28

Finding the Fourth Proportional to 802,813.12, 1,203,376.80 and 270,149.28

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Solution

The fourth proportional to 802,813.12, 1,203,376.80 and 270,149.28 is: 404,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,813.12 : 1,203,376.80 = 270,149.28 : x
  2. Step 2: Convert to fraction form
    802,813.12/1,203,376.80 = 270,149.28/x
  3. Step 3: Cross multiply
    802,813.12x = 1,203,376.80 × 270,149.28
  4. Step 4: Simplify right side
    802,813.12x = 325,091,376,088.70
  5. Step 5: Solve for x
    x = 325,091,376,088.70/802,813.12
  6. Step 6: Final answer
    x = 404,940.29

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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.