Home / 787,845.37-1,087,211.84-481,899.27

Finding the Fourth Proportional to 787,845.37, 1,087,211.84 and 481,899.27

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Solution

The fourth proportional to 787,845.37, 1,087,211.84 and 481,899.27 is: 665,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,845.37 : 1,087,211.84 = 481,899.27 : x
  2. Step 2: Convert to fraction form
    787,845.37/1,087,211.84 = 481,899.27/x
  3. Step 3: Cross multiply
    787,845.37x = 1,087,211.84 × 481,899.27
  4. Step 4: Simplify right side
    787,845.37x = 523,926,589,621.86
  5. Step 5: Solve for x
    x = 523,926,589,621.86/787,845.37
  6. Step 6: Final answer
    x = 665,011.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.