Home / 495,076.50-683,217.81-268,721.46

Finding the Fourth Proportional to 495,076.50, 683,217.81 and 268,721.46

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Solution

The fourth proportional to 495,076.50, 683,217.81 and 268,721.46 is: 370,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,076.50 : 683,217.81 = 268,721.46 : x
  2. Step 2: Convert to fraction form
    495,076.50/683,217.81 = 268,721.46/x
  3. Step 3: Cross multiply
    495,076.50x = 683,217.81 × 268,721.46
  4. Step 4: Simplify right side
    495,076.50x = 183,595,287,401.20
  5. Step 5: Solve for x
    x = 183,595,287,401.20/495,076.50
  6. Step 6: Final answer
    x = 370,842.26

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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.