Home / 704,764.80-1,057,244.40-255,376.80

Finding the Fourth Proportional to 704,764.80, 1,057,244.40 and 255,376.80

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Solution

The fourth proportional to 704,764.80, 1,057,244.40 and 255,376.80 is: 383,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,764.80 : 1,057,244.40 = 255,376.80 : x
  2. Step 2: Convert to fraction form
    704,764.80/1,057,244.40 = 255,376.80/x
  3. Step 3: Cross multiply
    704,764.80x = 1,057,244.40 × 255,376.80
  4. Step 4: Simplify right side
    704,764.80x = 269,995,691,689.92
  5. Step 5: Solve for x
    x = 269,995,691,689.92/704,764.80
  6. Step 6: Final answer
    x = 383,100.42

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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.