Home / 810,005.69-1,215,180.45-277,383.71

Finding the Fourth Proportional to 810,005.69, 1,215,180.45 and 277,383.71

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Solution

The fourth proportional to 810,005.69, 1,215,180.45 and 277,383.71 is: 416,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,005.69 : 1,215,180.45 = 277,383.71 : x
  2. Step 2: Convert to fraction form
    810,005.69/1,215,180.45 = 277,383.71/x
  3. Step 3: Cross multiply
    810,005.69x = 1,215,180.45 × 277,383.71
  4. Step 4: Simplify right side
    810,005.69x = 337,071,255,464.57
  5. Step 5: Solve for x
    x = 337,071,255,464.57/810,005.69
  6. Step 6: Final answer
    x = 416,134.43

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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.