Home / 854,372.62-1,178,478.70-547,963.66

Finding the Fourth Proportional to 854,372.62, 1,178,478.70 and 547,963.66

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Solution

The fourth proportional to 854,372.62, 1,178,478.70 and 547,963.66 is: 755,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,372.62 : 1,178,478.70 = 547,963.66 : x
  2. Step 2: Convert to fraction form
    854,372.62/1,178,478.70 = 547,963.66/x
  3. Step 3: Cross multiply
    854,372.62x = 1,178,478.70 × 547,963.66
  4. Step 4: Simplify right side
    854,372.62x = 645,763,504,869.53
  5. Step 5: Solve for x
    x = 645,763,504,869.53/854,372.62
  6. Step 6: Final answer
    x = 755,833.57

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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.