Home / 542,918.79-749,232.45-301,217.22

Finding the Fourth Proportional to 542,918.79, 749,232.45 and 301,217.22

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Solution

The fourth proportional to 542,918.79, 749,232.45 and 301,217.22 is: 415,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,918.79 : 749,232.45 = 301,217.22 : x
  2. Step 2: Convert to fraction form
    542,918.79/749,232.45 = 301,217.22/x
  3. Step 3: Cross multiply
    542,918.79x = 749,232.45 × 301,217.22
  4. Step 4: Simplify right side
    542,918.79x = 225,681,715,722.79
  5. Step 5: Solve for x
    x = 225,681,715,722.79/542,918.79
  6. Step 6: Final answer
    x = 415,682.27

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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.