Home / 456,237.21-684,361.28-276,361.92

Finding the Fourth Proportional to 456,237.21, 684,361.28 and 276,361.92

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Solution

The fourth proportional to 456,237.21, 684,361.28 and 276,361.92 is: 414,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,237.21 : 684,361.28 = 276,361.92 : x
  2. Step 2: Convert to fraction form
    456,237.21/684,361.28 = 276,361.92/x
  3. Step 3: Cross multiply
    456,237.21x = 684,361.28 × 276,361.92
  4. Step 4: Simplify right side
    456,237.21x = 189,131,395,932.65
  5. Step 5: Solve for x
    x = 189,131,395,932.65/456,237.21
  6. Step 6: Final answer
    x = 414,546.19

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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.