Home / 876,942.68-1,315,450.59-277,890.57

Finding the Fourth Proportional to 876,942.68, 1,315,450.59 and 277,890.57

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Solution

The fourth proportional to 876,942.68, 1,315,450.59 and 277,890.57 is: 416,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,942.68 : 1,315,450.59 = 277,890.57 : x
  2. Step 2: Convert to fraction form
    876,942.68/1,315,450.59 = 277,890.57/x
  3. Step 3: Cross multiply
    876,942.68x = 1,315,450.59 × 277,890.57
  4. Step 4: Simplify right side
    876,942.68x = 365,551,314,261.94
  5. Step 5: Solve for x
    x = 365,551,314,261.94/876,942.68
  6. Step 6: Final answer
    x = 416,847.45

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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.