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Finding the Fourth Proportional to 690,592.84, 952,950 and 384,658.96

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Solution

The fourth proportional to 690,592.84, 952,950 and 384,658.96 is: 530,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,592.84 : 952,950 = 384,658.96 : x
  2. Step 2: Convert to fraction form
    690,592.84/952,950 = 384,658.96/x
  3. Step 3: Cross multiply
    690,592.84x = 952,950 × 384,658.96
  4. Step 4: Simplify right side
    690,592.84x = 366,560,755,932
  5. Step 5: Solve for x
    x = 366,560,755,932/690,592.84
  6. Step 6: Final answer
    x = 530,791.42

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1.5x scale

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.