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Finding the Fourth Proportional to 721,937.63, 996,329.25 and 411,847.04

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Solution

The fourth proportional to 721,937.63, 996,329.25 and 411,847.04 is: 568,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,937.63 : 996,329.25 = 411,847.04 : x
  2. Step 2: Convert to fraction form
    721,937.63/996,329.25 = 411,847.04/x
  3. Step 3: Cross multiply
    721,937.63x = 996,329.25 × 411,847.04
  4. Step 4: Simplify right side
    721,937.63x = 410,335,247,496.27
  5. Step 5: Solve for x
    x = 410,335,247,496.27/721,937.63
  6. Step 6: Final answer
    x = 568,380.47

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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.