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Finding the Fourth Proportional to 579,020.92, 798,857.44 and 349,491

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Solution

The fourth proportional to 579,020.92, 798,857.44 and 349,491 is: 482,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,020.92 : 798,857.44 = 349,491 : x
  2. Step 2: Convert to fraction form
    579,020.92/798,857.44 = 349,491/x
  3. Step 3: Cross multiply
    579,020.92x = 798,857.44 × 349,491
  4. Step 4: Simplify right side
    579,020.92x = 279,193,485,563.04
  5. Step 5: Solve for x
    x = 279,193,485,563.04/579,020.92
  6. Step 6: Final answer
    x = 482,182.04

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1.5x scale

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.