Home / 622,182.40-932,659.20-306,380.80

Finding the Fourth Proportional to 622,182.40, 932,659.20 and 306,380.80

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Solution

The fourth proportional to 622,182.40, 932,659.20 and 306,380.80 is: 459,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,182.40 : 932,659.20 = 306,380.80 : x
  2. Step 2: Convert to fraction form
    622,182.40/932,659.20 = 306,380.80/x
  3. Step 3: Cross multiply
    622,182.40x = 932,659.20 × 306,380.80
  4. Step 4: Simplify right side
    622,182.40x = 285,748,871,823.36
  5. Step 5: Solve for x
    x = 285,748,871,823.36/622,182.40
  6. Step 6: Final answer
    x = 459,268.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.