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Finding the Fourth Proportional to 532,564.40, 734,943.92 and 303,110.44

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Solution

The fourth proportional to 532,564.40, 734,943.92 and 303,110.44 is: 418,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,564.40 : 734,943.92 = 303,110.44 : x
  2. Step 2: Convert to fraction form
    532,564.40/734,943.92 = 303,110.44/x
  3. Step 3: Cross multiply
    532,564.40x = 734,943.92 × 303,110.44
  4. Step 4: Simplify right side
    532,564.40x = 222,769,171,613.61
  5. Step 5: Solve for x
    x = 222,769,171,613.61/532,564.40
  6. Step 6: Final answer
    x = 418,295.27

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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.