Home / 855,175.56-1,282,559.13-255,975.90

Finding the Fourth Proportional to 855,175.56, 1,282,559.13 and 255,975.90

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Solution

The fourth proportional to 855,175.56, 1,282,559.13 and 255,975.90 is: 383,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,175.56 : 1,282,559.13 = 255,975.90 : x
  2. Step 2: Convert to fraction form
    855,175.56/1,282,559.13 = 255,975.90/x
  3. Step 3: Cross multiply
    855,175.56x = 1,282,559.13 × 255,975.90
  4. Step 4: Simplify right side
    855,175.56x = 328,304,227,604.97
  5. Step 5: Solve for x
    x = 328,304,227,604.97/855,175.56
  6. Step 6: Final answer
    x = 383,902.72

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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.