Home / 494,977.98-683,079.84-280,118.02

Finding the Fourth Proportional to 494,977.98, 683,079.84 and 280,118.02

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Solution

The fourth proportional to 494,977.98, 683,079.84 and 280,118.02 is: 386,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,977.98 : 683,079.84 = 280,118.02 : x
  2. Step 2: Convert to fraction form
    494,977.98/683,079.84 = 280,118.02/x
  3. Step 3: Cross multiply
    494,977.98x = 683,079.84 × 280,118.02
  4. Step 4: Simplify right side
    494,977.98x = 191,342,972,282.72
  5. Step 5: Solve for x
    x = 191,342,972,282.72/494,977.98
  6. Step 6: Final answer
    x = 386,568.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.