Home / 676,940.84-1,015,079.52-277,472.96

Finding the Fourth Proportional to 676,940.84, 1,015,079.52 and 277,472.96

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Solution

The fourth proportional to 676,940.84, 1,015,079.52 and 277,472.96 is: 416,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,940.84 : 1,015,079.52 = 277,472.96 : x
  2. Step 2: Convert to fraction form
    676,940.84/1,015,079.52 = 277,472.96/x
  3. Step 3: Cross multiply
    676,940.84x = 1,015,079.52 × 277,472.96
  4. Step 4: Simplify right side
    676,940.84x = 281,657,119,049.78
  5. Step 5: Solve for x
    x = 281,657,119,049.78/676,940.84
  6. Step 6: Final answer
    x = 416,073.46

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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.