Home / 571,010.58-788,078.70-329,246.10

Finding the Fourth Proportional to 571,010.58, 788,078.70 and 329,246.10

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Solution

The fourth proportional to 571,010.58, 788,078.70 and 329,246.10 is: 454,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,010.58 : 788,078.70 = 329,246.10 : x
  2. Step 2: Convert to fraction form
    571,010.58/788,078.70 = 329,246.10/x
  3. Step 3: Cross multiply
    571,010.58x = 788,078.70 × 329,246.10
  4. Step 4: Simplify right side
    571,010.58x = 259,471,838,468.07
  5. Step 5: Solve for x
    x = 259,471,838,468.07/571,010.58
  6. Step 6: Final answer
    x = 454,408.11

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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.