Home / 791,469.86-1,092,229.32-428,890.55

Finding the Fourth Proportional to 791,469.86, 1,092,229.32 and 428,890.55

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Solution

The fourth proportional to 791,469.86, 1,092,229.32 and 428,890.55 is: 591,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,469.86 : 1,092,229.32 = 428,890.55 : x
  2. Step 2: Convert to fraction form
    791,469.86/1,092,229.32 = 428,890.55/x
  3. Step 3: Cross multiply
    791,469.86x = 1,092,229.32 × 428,890.55
  4. Step 4: Simplify right side
    791,469.86x = 468,446,833,780.93
  5. Step 5: Solve for x
    x = 468,446,833,780.93/791,469.86
  6. Step 6: Final answer
    x = 591,869.45

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1.5x scale

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.