Home / 532,440.66-734,783.25-290,738.58

Finding the Fourth Proportional to 532,440.66, 734,783.25 and 290,738.58

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Solution

The fourth proportional to 532,440.66, 734,783.25 and 290,738.58 is: 401,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,440.66 : 734,783.25 = 290,738.58 : x
  2. Step 2: Convert to fraction form
    532,440.66/734,783.25 = 290,738.58/x
  3. Step 3: Cross multiply
    532,440.66x = 734,783.25 × 290,738.58
  4. Step 4: Simplify right side
    532,440.66x = 213,629,838,712.79
  5. Step 5: Solve for x
    x = 213,629,838,712.79/532,440.66
  6. Step 6: Final answer
    x = 401,227.51

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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.