Home / 542,988.12-749,298.30-301,268.04

Finding the Fourth Proportional to 542,988.12, 749,298.30 and 301,268.04

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Solution

The fourth proportional to 542,988.12, 749,298.30 and 301,268.04 is: 415,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,988.12 : 749,298.30 = 301,268.04 : x
  2. Step 2: Convert to fraction form
    542,988.12/749,298.30 = 301,268.04/x
  3. Step 3: Cross multiply
    542,988.12x = 749,298.30 × 301,268.04
  4. Step 4: Simplify right side
    542,988.12x = 225,739,630,216.33
  5. Step 5: Solve for x
    x = 225,739,630,216.33/542,988.12
  6. Step 6: Final answer
    x = 415,735.85

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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.