Home / 757,217.15-1,135,835.63-251,778.11

Finding the Fourth Proportional to 757,217.15, 1,135,835.63 and 251,778.11

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Solution

The fourth proportional to 757,217.15, 1,135,835.63 and 251,778.11 is: 377,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,217.15 : 1,135,835.63 = 251,778.11 : x
  2. Step 2: Convert to fraction form
    757,217.15/1,135,835.63 = 251,778.11/x
  3. Step 3: Cross multiply
    757,217.15x = 1,135,835.63 × 251,778.11
  4. Step 4: Simplify right side
    757,217.15x = 285,978,549,772.76
  5. Step 5: Solve for x
    x = 285,978,549,772.76/757,217.15
  6. Step 6: Final answer
    x = 377,670.46

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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.