Home / 669,745.80-1,004,963.18-370,170.54

Finding the Fourth Proportional to 669,745.80, 1,004,963.18 and 370,170.54

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Solution

The fourth proportional to 669,745.80, 1,004,963.18 and 370,170.54 is: 555,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,745.80 : 1,004,963.18 = 370,170.54 : x
  2. Step 2: Convert to fraction form
    669,745.80/1,004,963.18 = 370,170.54/x
  3. Step 3: Cross multiply
    669,745.80x = 1,004,963.18 × 370,170.54
  4. Step 4: Simplify right side
    669,745.80x = 372,007,761,169.87
  5. Step 5: Solve for x
    x = 372,007,761,169.87/669,745.80
  6. Step 6: Final answer
    x = 555,446.20

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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.