Home / 871,889.56-1,308,222.38-445,199.96

Finding the Fourth Proportional to 871,889.56, 1,308,222.38 and 445,199.96

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Solution

The fourth proportional to 871,889.56, 1,308,222.38 and 445,199.96 is: 667,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,889.56 : 1,308,222.38 = 445,199.96 : x
  2. Step 2: Convert to fraction form
    871,889.56/1,308,222.38 = 445,199.96/x
  3. Step 3: Cross multiply
    871,889.56x = 1,308,222.38 × 445,199.96
  4. Step 4: Simplify right side
    871,889.56x = 582,420,551,247.11
  5. Step 5: Solve for x
    x = 582,420,551,247.11/871,889.56
  6. Step 6: Final answer
    x = 667,998.08

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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.