Home / 942,557.82-1,414,055.42-311,433.36

Finding the Fourth Proportional to 942,557.82, 1,414,055.42 and 311,433.36

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Solution

The fourth proportional to 942,557.82, 1,414,055.42 and 311,433.36 is: 467,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,557.82 : 1,414,055.42 = 311,433.36 : x
  2. Step 2: Convert to fraction form
    942,557.82/1,414,055.42 = 311,433.36/x
  3. Step 3: Cross multiply
    942,557.82x = 1,414,055.42 × 311,433.36
  4. Step 4: Simplify right side
    942,557.82x = 440,384,029,119.64
  5. Step 5: Solve for x
    x = 440,384,029,119.64/942,557.82
  6. Step 6: Final answer
    x = 467,222.30

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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.