Home / 538,028.73-742,450.77-296,264.07

Finding the Fourth Proportional to 538,028.73, 742,450.77 and 296,264.07

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Solution

The fourth proportional to 538,028.73, 742,450.77 and 296,264.07 is: 408,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,028.73 : 742,450.77 = 296,264.07 : x
  2. Step 2: Convert to fraction form
    538,028.73/742,450.77 = 296,264.07/x
  3. Step 3: Cross multiply
    538,028.73x = 742,450.77 × 296,264.07
  4. Step 4: Simplify right side
    538,028.73x = 219,961,486,894.83
  5. Step 5: Solve for x
    x = 219,961,486,894.83/538,028.73
  6. Step 6: Final answer
    x = 408,828.52

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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.