Home / 542,828.56-749,115.42-301,103.26

Finding the Fourth Proportional to 542,828.56, 749,115.42 and 301,103.26

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Solution

The fourth proportional to 542,828.56, 749,115.42 and 301,103.26 is: 415,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,828.56 : 749,115.42 = 301,103.26 : x
  2. Step 2: Convert to fraction form
    542,828.56/749,115.42 = 301,103.26/x
  3. Step 3: Cross multiply
    542,828.56x = 749,115.42 × 301,103.26
  4. Step 4: Simplify right side
    542,828.56x = 225,561,095,078.27
  5. Step 5: Solve for x
    x = 225,561,095,078.27/542,828.56
  6. Step 6: Final answer
    x = 415,529.16

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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.