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Finding the Fourth Proportional to 571,298.28, 787,982.22 and 377,481.48

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Solution

The fourth proportional to 571,298.28, 787,982.22 and 377,481.48 is: 520,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,298.28 : 787,982.22 = 377,481.48 : x
  2. Step 2: Convert to fraction form
    571,298.28/787,982.22 = 377,481.48/x
  3. Step 3: Cross multiply
    571,298.28x = 787,982.22 × 377,481.48
  4. Step 4: Simplify right side
    571,298.28x = 297,448,694,619.29
  5. Step 5: Solve for x
    x = 297,448,694,619.29/571,298.28
  6. Step 6: Final answer
    x = 520,653.93

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