Home / 550,059.90-759,069-305,043.24

Finding the Fourth Proportional to 550,059.90, 759,069 and 305,043.24

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Solution

The fourth proportional to 550,059.90, 759,069 and 305,043.24 is: 420,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,059.90 : 759,069 = 305,043.24 : x
  2. Step 2: Convert to fraction form
    550,059.90/759,069 = 305,043.24/x
  3. Step 3: Cross multiply
    550,059.90x = 759,069 × 305,043.24
  4. Step 4: Simplify right side
    550,059.90x = 231,548,867,143.56
  5. Step 5: Solve for x
    x = 231,548,867,143.56/550,059.90
  6. Step 6: Final answer
    x = 420,952.09

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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.