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Finding the Fourth Proportional to 542,900.80, 749,204.04 and 301,183.42

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Solution

The fourth proportional to 542,900.80, 749,204.04 and 301,183.42 is: 415,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,900.80 : 749,204.04 = 301,183.42 : x
  2. Step 2: Convert to fraction form
    542,900.80/749,204.04 = 301,183.42/x
  3. Step 3: Cross multiply
    542,900.80x = 749,204.04 × 301,183.42
  4. Step 4: Simplify right side
    542,900.80x = 225,647,835,045.02
  5. Step 5: Solve for x
    x = 225,647,835,045.02/542,900.80
  6. Step 6: Final answer
    x = 415,633.64

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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.