Home / 759,102.60-1,138,486.22-219,241.48

Finding the Fourth Proportional to 759,102.60, 1,138,486.22 and 219,241.48

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Solution

The fourth proportional to 759,102.60, 1,138,486.22 and 219,241.48 is: 328,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,102.60 : 1,138,486.22 = 219,241.48 : x
  2. Step 2: Convert to fraction form
    759,102.60/1,138,486.22 = 219,241.48/x
  3. Step 3: Cross multiply
    759,102.60x = 1,138,486.22 × 219,241.48
  4. Step 4: Simplify right side
    759,102.60x = 249,603,403,832.41
  5. Step 5: Solve for x
    x = 249,603,403,832.41/759,102.60
  6. Step 6: Final answer
    x = 328,813.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.