Home / 542,890.54-749,189.82-301,173.12

Finding the Fourth Proportional to 542,890.54, 749,189.82 and 301,173.12

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Solution

The fourth proportional to 542,890.54, 749,189.82 and 301,173.12 is: 415,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,890.54 : 749,189.82 = 301,173.12 : x
  2. Step 2: Convert to fraction form
    542,890.54/749,189.82 = 301,173.12/x
  3. Step 3: Cross multiply
    542,890.54x = 749,189.82 × 301,173.12
  4. Step 4: Simplify right side
    542,890.54x = 225,635,835,561.64
  5. Step 5: Solve for x
    x = 225,635,835,561.64/542,890.54
  6. Step 6: Final answer
    x = 415,619.39

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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.