Home / 846,540.02-1,269,848.92-215,459.30

Finding the Fourth Proportional to 846,540.02, 1,269,848.92 and 215,459.30

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Solution

The fourth proportional to 846,540.02, 1,269,848.92 and 215,459.30 is: 323,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,540.02 : 1,269,848.92 = 215,459.30 : x
  2. Step 2: Convert to fraction form
    846,540.02/1,269,848.92 = 215,459.30/x
  3. Step 3: Cross multiply
    846,540.02x = 1,269,848.92 × 215,459.30
  4. Step 4: Simplify right side
    846,540.02x = 273,600,759,408.96
  5. Step 5: Solve for x
    x = 273,600,759,408.96/846,540.02
  6. Step 6: Final answer
    x = 323,198.85

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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.