Home / 495,013.12-683,117.94-268,658.62

Finding the Fourth Proportional to 495,013.12, 683,117.94 and 268,658.62

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Solution

The fourth proportional to 495,013.12, 683,117.94 and 268,658.62 is: 370,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,013.12 : 683,117.94 = 268,658.62 : x
  2. Step 2: Convert to fraction form
    495,013.12/683,117.94 = 268,658.62/x
  3. Step 3: Cross multiply
    495,013.12x = 683,117.94 × 268,658.62
  4. Step 4: Simplify right side
    495,013.12x = 183,525,523,057.64
  5. Step 5: Solve for x
    x = 183,525,523,057.64/495,013.12
  6. Step 6: Final answer
    x = 370,748.81

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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.