Home / 810,197.76-1,215,444.24-277,772.64

Finding the Fourth Proportional to 810,197.76, 1,215,444.24 and 277,772.64

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Solution

The fourth proportional to 810,197.76, 1,215,444.24 and 277,772.64 is: 416,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,197.76 : 1,215,444.24 = 277,772.64 : x
  2. Step 2: Convert to fraction form
    810,197.76/1,215,444.24 = 277,772.64/x
  3. Step 3: Cross multiply
    810,197.76x = 1,215,444.24 × 277,772.64
  4. Step 4: Simplify right side
    810,197.76x = 337,617,155,317.59
  5. Step 5: Solve for x
    x = 337,617,155,317.59/810,197.76
  6. Step 6: Final answer
    x = 416,709.56

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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.