Home / 871,936.25-1,307,980.31-240,850.67

Finding the Fourth Proportional to 871,936.25, 1,307,980.31 and 240,850.67

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Solution

The fourth proportional to 871,936.25, 1,307,980.31 and 240,850.67 is: 361,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,936.25 : 1,307,980.31 = 240,850.67 : x
  2. Step 2: Convert to fraction form
    871,936.25/1,307,980.31 = 240,850.67/x
  3. Step 3: Cross multiply
    871,936.25x = 1,307,980.31 × 240,850.67
  4. Step 4: Simplify right side
    871,936.25x = 315,027,926,266.15
  5. Step 5: Solve for x
    x = 315,027,926,266.15/871,936.25
  6. Step 6: Final answer
    x = 361,296.97

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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.