Home / 756,261.64-1,133,323.22-419,450.68

Finding the Fourth Proportional to 756,261.64, 1,133,323.22 and 419,450.68

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Solution

The fourth proportional to 756,261.64, 1,133,323.22 and 419,450.68 is: 628,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,261.64 : 1,133,323.22 = 419,450.68 : x
  2. Step 2: Convert to fraction form
    756,261.64/1,133,323.22 = 419,450.68/x
  3. Step 3: Cross multiply
    756,261.64x = 1,133,323.22 × 419,450.68
  4. Step 4: Simplify right side
    756,261.64x = 475,373,195,288.79
  5. Step 5: Solve for x
    x = 475,373,195,288.79/756,261.64
  6. Step 6: Final answer
    x = 628,582.98

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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.