Home / 874,474.20-1,206,745.97-534,942.45

Finding the Fourth Proportional to 874,474.20, 1,206,745.97 and 534,942.45

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Solution

The fourth proportional to 874,474.20, 1,206,745.97 and 534,942.45 is: 738,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,474.20 : 1,206,745.97 = 534,942.45 : x
  2. Step 2: Convert to fraction form
    874,474.20/1,206,745.97 = 534,942.45/x
  3. Step 3: Cross multiply
    874,474.20x = 1,206,745.97 × 534,942.45
  4. Step 4: Simplify right side
    874,474.20x = 645,539,643,044.71
  5. Step 5: Solve for x
    x = 645,539,643,044.71/874,474.20
  6. Step 6: Final answer
    x = 738,203.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.