Home / 526,789.22-726,969.12-285,071.79

Finding the Fourth Proportional to 526,789.22, 726,969.12 and 285,071.79

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Solution

The fourth proportional to 526,789.22, 726,969.12 and 285,071.79 is: 393,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,789.22 : 726,969.12 = 285,071.79 : x
  2. Step 2: Convert to fraction form
    526,789.22/726,969.12 = 285,071.79/x
  3. Step 3: Cross multiply
    526,789.22x = 726,969.12 × 285,071.79
  4. Step 4: Simplify right side
    526,789.22x = 207,238,388,313.13
  5. Step 5: Solve for x
    x = 207,238,388,313.13/526,789.22
  6. Step 6: Final answer
    x = 393,399.07

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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.