Home / 984,932.70-1,477,447.65-512,540.70

Finding the Fourth Proportional to 984,932.70, 1,477,447.65 and 512,540.70

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Solution

The fourth proportional to 984,932.70, 1,477,447.65 and 512,540.70 is: 768,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,932.70 : 1,477,447.65 = 512,540.70 : x
  2. Step 2: Convert to fraction form
    984,932.70/1,477,447.65 = 512,540.70/x
  3. Step 3: Cross multiply
    984,932.70x = 1,477,447.65 × 512,540.70
  4. Step 4: Simplify right side
    984,932.70x = 757,252,052,744.36
  5. Step 5: Solve for x
    x = 757,252,052,744.36/984,932.70
  6. Step 6: Final answer
    x = 768,836.34

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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.