Home / 945,433-1,418,161.85-314,346.81

Finding the Fourth Proportional to 945,433, 1,418,161.85 and 314,346.81

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Solution

The fourth proportional to 945,433, 1,418,161.85 and 314,346.81 is: 471,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,433 : 1,418,161.85 = 314,346.81 : x
  2. Step 2: Convert to fraction form
    945,433/1,418,161.85 = 314,346.81/x
  3. Step 3: Cross multiply
    945,433x = 1,418,161.85 × 314,346.81
  4. Step 4: Simplify right side
    945,433x = 445,794,653,611.20
  5. Step 5: Solve for x
    x = 445,794,653,611.20/945,433
  6. Step 6: Final answer
    x = 471,524.32

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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.