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Finding the Fourth Proportional to 555,481.94, 766,564.36 and 300,834.14

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Solution

The fourth proportional to 555,481.94, 766,564.36 and 300,834.14 is: 415,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,481.94 : 766,564.36 = 300,834.14 : x
  2. Step 2: Convert to fraction form
    555,481.94/766,564.36 = 300,834.14/x
  3. Step 3: Cross multiply
    555,481.94x = 766,564.36 × 300,834.14
  4. Step 4: Simplify right side
    555,481.94x = 230,608,725,410.34
  5. Step 5: Solve for x
    x = 230,608,725,410.34/555,481.94
  6. Step 6: Final answer
    x = 415,150.72

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1.5x scale

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.