Home / 871,846.40-1,307,251.20-451,942.40

Finding the Fourth Proportional to 871,846.40, 1,307,251.20 and 451,942.40

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Solution

The fourth proportional to 871,846.40, 1,307,251.20 and 451,942.40 is: 677,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,846.40 : 1,307,251.20 = 451,942.40 : x
  2. Step 2: Convert to fraction form
    871,846.40/1,307,251.20 = 451,942.40/x
  3. Step 3: Cross multiply
    871,846.40x = 1,307,251.20 × 451,942.40
  4. Step 4: Simplify right side
    871,846.40x = 590,802,244,730.88
  5. Step 5: Solve for x
    x = 590,802,244,730.88/871,846.40
  6. Step 6: Final answer
    x = 677,644.87

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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.