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Finding the Fourth Proportional to 550,257.76, 759,033.18 and 345,984.94

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Solution

The fourth proportional to 550,257.76, 759,033.18 and 345,984.94 is: 477,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,257.76 : 759,033.18 = 345,984.94 : x
  2. Step 2: Convert to fraction form
    550,257.76/759,033.18 = 345,984.94/x
  3. Step 3: Cross multiply
    550,257.76x = 759,033.18 × 345,984.94
  4. Step 4: Simplify right side
    550,257.76x = 262,614,049,240.31
  5. Step 5: Solve for x
    x = 262,614,049,240.31/550,257.76
  6. Step 6: Final answer
    x = 477,256.42

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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.