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Finding the Fourth Proportional to 681,480.29, 940,448.98 and 375,567.59

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Solution

The fourth proportional to 681,480.29, 940,448.98 and 375,567.59 is: 518,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,480.29 : 940,448.98 = 375,567.59 : x
  2. Step 2: Convert to fraction form
    681,480.29/940,448.98 = 375,567.59/x
  3. Step 3: Cross multiply
    681,480.29x = 940,448.98 × 375,567.59
  4. Step 4: Simplify right side
    681,480.29x = 353,202,154,467.12
  5. Step 5: Solve for x
    x = 353,202,154,467.12/681,480.29
  6. Step 6: Final answer
    x = 518,286.68

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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.