Home / 782,945.56-1,174,087.86-243,135.64

Finding the Fourth Proportional to 782,945.56, 1,174,087.86 and 243,135.64

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Solution

The fourth proportional to 782,945.56, 1,174,087.86 and 243,135.64 is: 364,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,945.56 : 1,174,087.86 = 243,135.64 : x
  2. Step 2: Convert to fraction form
    782,945.56/1,174,087.86 = 243,135.64/x
  3. Step 3: Cross multiply
    782,945.56x = 1,174,087.86 × 243,135.64
  4. Step 4: Simplify right side
    782,945.56x = 285,462,603,257.33
  5. Step 5: Solve for x
    x = 285,462,603,257.33/782,945.56
  6. Step 6: Final answer
    x = 364,600.83

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1.5x scale

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.