Home / 409,255.56-613,066.86-325,158.12

Finding the Fourth Proportional to 409,255.56, 613,066.86 and 325,158.12

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Solution

The fourth proportional to 409,255.56, 613,066.86 and 325,158.12 is: 487,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,255.56 : 613,066.86 = 325,158.12 : x
  2. Step 2: Convert to fraction form
    409,255.56/613,066.86 = 325,158.12/x
  3. Step 3: Cross multiply
    409,255.56x = 613,066.86 × 325,158.12
  4. Step 4: Simplify right side
    409,255.56x = 199,343,667,631.90
  5. Step 5: Solve for x
    x = 199,343,667,631.90/409,255.56
  6. Step 6: Final answer
    x = 487,088.48

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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.