Home / 940,142.16-1,297,418.04-558,169.92

Finding the Fourth Proportional to 940,142.16, 1,297,418.04 and 558,169.92

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Solution

The fourth proportional to 940,142.16, 1,297,418.04 and 558,169.92 is: 770,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,142.16 : 1,297,418.04 = 558,169.92 : x
  2. Step 2: Convert to fraction form
    940,142.16/1,297,418.04 = 558,169.92/x
  3. Step 3: Cross multiply
    940,142.16x = 1,297,418.04 × 558,169.92
  4. Step 4: Simplify right side
    940,142.16x = 724,179,723,593.36
  5. Step 5: Solve for x
    x = 724,179,723,593.36/940,142.16
  6. Step 6: Final answer
    x = 770,287.47

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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.