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Finding the Fourth Proportional to 542,685.79, 748,952.39 and 301,046.22

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Solution

The fourth proportional to 542,685.79, 748,952.39 and 301,046.22 is: 415,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,685.79 : 748,952.39 = 301,046.22 : x
  2. Step 2: Convert to fraction form
    542,685.79/748,952.39 = 301,046.22/x
  3. Step 3: Cross multiply
    542,685.79x = 748,952.39 × 301,046.22
  4. Step 4: Simplify right side
    542,685.79x = 225,469,286,722.08
  5. Step 5: Solve for x
    x = 225,469,286,722.08/542,685.79
  6. Step 6: Final answer
    x = 415,469.30

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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.