Home / 495,340.03-683,571.72-280,521.96

Finding the Fourth Proportional to 495,340.03, 683,571.72 and 280,521.96

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Solution

The fourth proportional to 495,340.03, 683,571.72 and 280,521.96 is: 387,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,340.03 : 683,571.72 = 280,521.96 : x
  2. Step 2: Convert to fraction form
    495,340.03/683,571.72 = 280,521.96/x
  3. Step 3: Cross multiply
    495,340.03x = 683,571.72 × 280,521.96
  4. Step 4: Simplify right side
    495,340.03x = 191,756,878,694.97
  5. Step 5: Solve for x
    x = 191,756,878,694.97/495,340.03
  6. Step 6: Final answer
    x = 387,121.71

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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.