Home / 871,858.37-1,307,251.71-303,107.15

Finding the Fourth Proportional to 871,858.37, 1,307,251.71 and 303,107.15

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Solution

The fourth proportional to 871,858.37, 1,307,251.71 and 303,107.15 is: 454,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,858.37 : 1,307,251.71 = 303,107.15 : x
  2. Step 2: Convert to fraction form
    871,858.37/1,307,251.71 = 303,107.15/x
  3. Step 3: Cross multiply
    871,858.37x = 1,307,251.71 × 303,107.15
  4. Step 4: Simplify right side
    871,858.37x = 396,237,343,418.86
  5. Step 5: Solve for x
    x = 396,237,343,418.86/871,858.37
  6. Step 6: Final answer
    x = 454,474.44

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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.