Home / 809,921.16-1,214,915.04-277,808.04

Finding the Fourth Proportional to 809,921.16, 1,214,915.04 and 277,808.04

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Solution

The fourth proportional to 809,921.16, 1,214,915.04 and 277,808.04 is: 416,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,921.16 : 1,214,915.04 = 277,808.04 : x
  2. Step 2: Convert to fraction form
    809,921.16/1,214,915.04 = 277,808.04/x
  3. Step 3: Cross multiply
    809,921.16x = 1,214,915.04 × 277,808.04
  4. Step 4: Simplify right side
    809,921.16x = 337,513,166,028.92
  5. Step 5: Solve for x
    x = 337,513,166,028.92/809,921.16
  6. Step 6: Final answer
    x = 416,723.48

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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.