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Finding the Fourth Proportional to 542,801.56, 749,078.13 and 301,076.23

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Solution

The fourth proportional to 542,801.56, 749,078.13 and 301,076.23 is: 415,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,801.56 : 749,078.13 = 301,076.23 : x
  2. Step 2: Convert to fraction form
    542,801.56/749,078.13 = 301,076.23/x
  3. Step 3: Cross multiply
    542,801.56x = 749,078.13 × 301,076.23
  4. Step 4: Simplify right side
    542,801.56x = 225,529,619,355.85
  5. Step 5: Solve for x
    x = 225,529,619,355.85/542,801.56
  6. Step 6: Final answer
    x = 415,491.84

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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.