Home / 792,738.97-1,189,066.03-280,368.61

Finding the Fourth Proportional to 792,738.97, 1,189,066.03 and 280,368.61

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Solution

The fourth proportional to 792,738.97, 1,189,066.03 and 280,368.61 is: 420,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,738.97 : 1,189,066.03 = 280,368.61 : x
  2. Step 2: Convert to fraction form
    792,738.97/1,189,066.03 = 280,368.61/x
  3. Step 3: Cross multiply
    792,738.97x = 1,189,066.03 × 280,368.61
  4. Step 4: Simplify right side
    792,738.97x = 333,376,790,029.32
  5. Step 5: Solve for x
    x = 333,376,790,029.32/792,738.97
  6. Step 6: Final answer
    x = 420,537.91

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1.5x scale

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.