Home / 495,056.50-683,121.15-277,234.78

Finding the Fourth Proportional to 495,056.50, 683,121.15 and 277,234.78

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Solution

The fourth proportional to 495,056.50, 683,121.15 and 277,234.78 is: 382,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,056.50 : 683,121.15 = 277,234.78 : x
  2. Step 2: Convert to fraction form
    495,056.50/683,121.15 = 277,234.78/x
  3. Step 3: Cross multiply
    495,056.50x = 683,121.15 × 277,234.78
  4. Step 4: Simplify right side
    495,056.50x = 189,384,941,733.60
  5. Step 5: Solve for x
    x = 189,384,941,733.60/495,056.50
  6. Step 6: Final answer
    x = 382,552.18

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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.