Home / 871,340.82-1,307,091.87-338,902.26

Finding the Fourth Proportional to 871,340.82, 1,307,091.87 and 338,902.26

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Solution

The fourth proportional to 871,340.82, 1,307,091.87 and 338,902.26 is: 508,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,340.82 : 1,307,091.87 = 338,902.26 : x
  2. Step 2: Convert to fraction form
    871,340.82/1,307,091.87 = 338,902.26/x
  3. Step 3: Cross multiply
    871,340.82x = 1,307,091.87 × 338,902.26
  4. Step 4: Simplify right side
    871,340.82x = 442,976,388,770.63
  5. Step 5: Solve for x
    x = 442,976,388,770.63/871,340.82
  6. Step 6: Final answer
    x = 508,384.75

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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.