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Finding the Fourth Proportional to 434,691.97, 599,652.52 and 289,747.33

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Solution

The fourth proportional to 434,691.97, 599,652.52 and 289,747.33 is: 399,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,691.97 : 599,652.52 = 289,747.33 : x
  2. Step 2: Convert to fraction form
    434,691.97/599,652.52 = 289,747.33/x
  3. Step 3: Cross multiply
    434,691.97x = 599,652.52 × 289,747.33
  4. Step 4: Simplify right side
    434,691.97x = 173,747,716,597.77
  5. Step 5: Solve for x
    x = 173,747,716,597.77/434,691.97
  6. Step 6: Final answer
    x = 399,703.07

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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.