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Finding the Fourth Proportional to 532,348.80, 734,764.80 and 351,093.12

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Solution

The fourth proportional to 532,348.80, 734,764.80 and 351,093.12 is: 484,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,348.80 : 734,764.80 = 351,093.12 : x
  2. Step 2: Convert to fraction form
    532,348.80/734,764.80 = 351,093.12/x
  3. Step 3: Cross multiply
    532,348.80x = 734,764.80 × 351,093.12
  4. Step 4: Simplify right side
    532,348.80x = 257,970,866,098.18
  5. Step 5: Solve for x
    x = 257,970,866,098.18/532,348.80
  6. Step 6: Final answer
    x = 484,589.93

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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.