Home / 1,098,385.21-1,647,259.57-329,851.91

Finding the Fourth Proportional to 1,098,385.21, 1,647,259.57 and 329,851.91

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Solution

The fourth proportional to 1,098,385.21, 1,647,259.57 and 329,851.91 is: 494,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,385.21 : 1,647,259.57 = 329,851.91 : x
  2. Step 2: Convert to fraction form
    1,098,385.21/1,647,259.57 = 329,851.91/x
  3. Step 3: Cross multiply
    1,098,385.21x = 1,647,259.57 × 329,851.91
  4. Step 4: Simplify right side
    1,098,385.21x = 543,351,719,960.74
  5. Step 5: Solve for x
    x = 543,351,719,960.74/1,098,385.21
  6. Step 6: Final answer
    x = 494,682.30

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1.5x scale

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.