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Finding the Fourth Proportional to 555,217.82, 766,200.84 and 300,569

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Solution

The fourth proportional to 555,217.82, 766,200.84 and 300,569 is: 414,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,217.82 : 766,200.84 = 300,569 : x
  2. Step 2: Convert to fraction form
    555,217.82/766,200.84 = 300,569/x
  3. Step 3: Cross multiply
    555,217.82x = 766,200.84 × 300,569
  4. Step 4: Simplify right side
    555,217.82x = 230,296,220,277.96
  5. Step 5: Solve for x
    x = 230,296,220,277.96/555,217.82
  6. Step 6: Final answer
    x = 414,785.35

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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.