Home / 945,447.66-1,418,183.84-314,361.47

Finding the Fourth Proportional to 945,447.66, 1,418,183.84 and 314,361.47

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Solution

The fourth proportional to 945,447.66, 1,418,183.84 and 314,361.47 is: 471,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,447.66 : 1,418,183.84 = 314,361.47 : x
  2. Step 2: Convert to fraction form
    945,447.66/1,418,183.84 = 314,361.47/x
  3. Step 3: Cross multiply
    945,447.66x = 1,418,183.84 × 314,361.47
  4. Step 4: Simplify right side
    945,447.66x = 445,822,356,672.65
  5. Step 5: Solve for x
    x = 445,822,356,672.65/945,447.66
  6. Step 6: Final answer
    x = 471,546.31

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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.