Home / 501,271.10-691,797.87-274,960.34

Finding the Fourth Proportional to 501,271.10, 691,797.87 and 274,960.34

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Solution

The fourth proportional to 501,271.10, 691,797.87 and 274,960.34 is: 379,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,271.10 : 691,797.87 = 274,960.34 : x
  2. Step 2: Convert to fraction form
    501,271.10/691,797.87 = 274,960.34/x
  3. Step 3: Cross multiply
    501,271.10x = 691,797.87 × 274,960.34
  4. Step 4: Simplify right side
    501,271.10x = 190,216,977,546.48
  5. Step 5: Solve for x
    x = 190,216,977,546.48/501,271.10
  6. Step 6: Final answer
    x = 379,469.27

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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.