Home / 776,997.24-1,165,662.60-440,199.24

Finding the Fourth Proportional to 776,997.24, 1,165,662.60 and 440,199.24

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Solution

The fourth proportional to 776,997.24, 1,165,662.60 and 440,199.24 is: 660,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,997.24 : 1,165,662.60 = 440,199.24 : x
  2. Step 2: Convert to fraction form
    776,997.24/1,165,662.60 = 440,199.24/x
  3. Step 3: Cross multiply
    776,997.24x = 1,165,662.60 × 440,199.24
  4. Step 4: Simplify right side
    776,997.24x = 513,123,790,616.42
  5. Step 5: Solve for x
    x = 513,123,790,616.42/776,997.24
  6. Step 6: Final answer
    x = 660,393.32

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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.