Home / 787,192.93-1,086,313.07-443,028.83

Finding the Fourth Proportional to 787,192.93, 1,086,313.07 and 443,028.83

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Solution

The fourth proportional to 787,192.93, 1,086,313.07 and 443,028.83 is: 611,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,192.93 : 1,086,313.07 = 443,028.83 : x
  2. Step 2: Convert to fraction form
    787,192.93/1,086,313.07 = 443,028.83/x
  3. Step 3: Cross multiply
    787,192.93x = 1,086,313.07 × 443,028.83
  4. Step 4: Simplify right side
    787,192.93x = 481,268,004,091.82
  5. Step 5: Solve for x
    x = 481,268,004,091.82/787,192.93
  6. Step 6: Final answer
    x = 611,372.37

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1.5x scale

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.