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Finding the Fourth Proportional to 532,251.48, 734,770.68 and 338,851.46

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Solution

The fourth proportional to 532,251.48, 734,770.68 and 338,851.46 is: 467,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,251.48 : 734,770.68 = 338,851.46 : x
  2. Step 2: Convert to fraction form
    532,251.48/734,770.68 = 338,851.46/x
  3. Step 3: Cross multiply
    532,251.48x = 734,770.68 × 338,851.46
  4. Step 4: Simplify right side
    532,251.48x = 248,978,117,683.19
  5. Step 5: Solve for x
    x = 248,978,117,683.19/532,251.48
  6. Step 6: Final answer
    x = 467,782.86

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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.