Home / 427,133.27-589,920.57-331,494.55

Finding the Fourth Proportional to 427,133.27, 589,920.57 and 331,494.55

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Solution

The fourth proportional to 427,133.27, 589,920.57 and 331,494.55 is: 457,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,133.27 : 589,920.57 = 331,494.55 : x
  2. Step 2: Convert to fraction form
    427,133.27/589,920.57 = 331,494.55/x
  3. Step 3: Cross multiply
    427,133.27x = 589,920.57 × 331,494.55
  4. Step 4: Simplify right side
    427,133.27x = 195,555,452,413.09
  5. Step 5: Solve for x
    x = 195,555,452,413.09/427,133.27
  6. Step 6: Final answer
    x = 457,832.40

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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.