Home / 1,098,386.21-1,647,261.07-329,852.91

Finding the Fourth Proportional to 1,098,386.21, 1,647,261.07 and 329,852.91

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Solution

The fourth proportional to 1,098,386.21, 1,647,261.07 and 329,852.91 is: 494,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,386.21 : 1,647,261.07 = 329,852.91 : x
  2. Step 2: Convert to fraction form
    1,098,386.21/1,647,261.07 = 329,852.91/x
  3. Step 3: Cross multiply
    1,098,386.21x = 1,647,261.07 × 329,852.91
  4. Step 4: Simplify right side
    1,098,386.21x = 543,353,857,469.21
  5. Step 5: Solve for x
    x = 543,353,857,469.21/1,098,386.21
  6. Step 6: Final answer
    x = 494,683.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.