Home / 791,468.86-1,092,227.94-428,889.55

Finding the Fourth Proportional to 791,468.86, 1,092,227.94 and 428,889.55

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Solution

The fourth proportional to 791,468.86, 1,092,227.94 and 428,889.55 is: 591,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,468.86 : 1,092,227.94 = 428,889.55 : x
  2. Step 2: Convert to fraction form
    791,468.86/1,092,227.94 = 428,889.55/x
  3. Step 3: Cross multiply
    791,468.86x = 1,092,227.94 × 428,889.55
  4. Step 4: Simplify right side
    791,468.86x = 468,445,149,684.03
  5. Step 5: Solve for x
    x = 468,445,149,684.03/791,468.86
  6. Step 6: Final answer
    x = 591,868.07

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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.