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Finding the Fourth Proportional to 571,158.82, 788,232.33 and 329,451.58

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Solution

The fourth proportional to 571,158.82, 788,232.33 and 329,451.58 is: 454,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,158.82 : 788,232.33 = 329,451.58 : x
  2. Step 2: Convert to fraction form
    571,158.82/788,232.33 = 329,451.58/x
  3. Step 3: Cross multiply
    571,158.82x = 788,232.33 × 329,451.58
  4. Step 4: Simplify right side
    571,158.82x = 259,684,386,525.58
  5. Step 5: Solve for x
    x = 259,684,386,525.58/571,158.82
  6. Step 6: Final answer
    x = 454,662.31

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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.