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Finding the Fourth Proportional to 532,334.39, 734,632.61 and 290,627.15

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Solution

The fourth proportional to 532,334.39, 734,632.61 and 290,627.15 is: 401,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,334.39 : 734,632.61 = 290,627.15 : x
  2. Step 2: Convert to fraction form
    532,334.39/734,632.61 = 290,627.15/x
  3. Step 3: Cross multiply
    532,334.39x = 734,632.61 × 290,627.15
  4. Step 4: Simplify right side
    532,334.39x = 213,504,179,369.94
  5. Step 5: Solve for x
    x = 213,504,179,369.94/532,334.39
  6. Step 6: Final answer
    x = 401,071.55

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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.