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Finding the Fourth Proportional to 594,385.29, 820,164.69 and 339,687.27

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Solution

The fourth proportional to 594,385.29, 820,164.69 and 339,687.27 is: 468,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,385.29 : 820,164.69 = 339,687.27 : x
  2. Step 2: Convert to fraction form
    594,385.29/820,164.69 = 339,687.27/x
  3. Step 3: Cross multiply
    594,385.29x = 820,164.69 × 339,687.27
  4. Step 4: Simplify right side
    594,385.29x = 278,599,504,496.50
  5. Step 5: Solve for x
    x = 278,599,504,496.50/594,385.29
  6. Step 6: Final answer
    x = 468,718.71

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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.