Home / 704,808.92-1,056,976.43-255,435.72

Finding the Fourth Proportional to 704,808.92, 1,056,976.43 and 255,435.72

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Solution

The fourth proportional to 704,808.92, 1,056,976.43 and 255,435.72 is: 383,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,808.92 : 1,056,976.43 = 255,435.72 : x
  2. Step 2: Convert to fraction form
    704,808.92/1,056,976.43 = 255,435.72/x
  3. Step 3: Cross multiply
    704,808.92x = 1,056,976.43 × 255,435.72
  4. Step 4: Simplify right side
    704,808.92x = 269,989,534,142.90
  5. Step 5: Solve for x
    x = 269,989,534,142.90/704,808.92
  6. Step 6: Final answer
    x = 383,067.71

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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.