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Finding the Fourth Proportional to 681,513.03, 940,494.39 and 375,600.42

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Solution

The fourth proportional to 681,513.03, 940,494.39 and 375,600.42 is: 518,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,513.03 : 940,494.39 = 375,600.42 : x
  2. Step 2: Convert to fraction form
    681,513.03/940,494.39 = 375,600.42/x
  3. Step 3: Cross multiply
    681,513.03x = 940,494.39 × 375,600.42
  4. Step 4: Simplify right side
    681,513.03x = 353,250,087,891.64
  5. Step 5: Solve for x
    x = 353,250,087,891.64/681,513.03
  6. Step 6: Final answer
    x = 518,332.11

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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.