Home / 791,464.86-1,092,222.42-428,885.55

Finding the Fourth Proportional to 791,464.86, 1,092,222.42 and 428,885.55

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Solution

The fourth proportional to 791,464.86, 1,092,222.42 and 428,885.55 is: 591,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,464.86 : 1,092,222.42 = 428,885.55 : x
  2. Step 2: Convert to fraction form
    791,464.86/1,092,222.42 = 428,885.55/x
  3. Step 3: Cross multiply
    791,464.86x = 1,092,222.42 × 428,885.55
  4. Step 4: Simplify right side
    791,464.86x = 468,438,413,324.03
  5. Step 5: Solve for x
    x = 468,438,413,324.03/791,464.86
  6. Step 6: Final answer
    x = 591,862.55

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Double scale
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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.