Home / 901,383.29-1,243,923.68-493,478.33

Finding the Fourth Proportional to 901,383.29, 1,243,923.68 and 493,478.33

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Solution

The fourth proportional to 901,383.29, 1,243,923.68 and 493,478.33 is: 681,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,383.29 : 1,243,923.68 = 493,478.33 : x
  2. Step 2: Convert to fraction form
    901,383.29/1,243,923.68 = 493,478.33/x
  3. Step 3: Cross multiply
    901,383.29x = 1,243,923.68 × 493,478.33
  4. Step 4: Simplify right side
    901,383.29x = 613,849,375,267.93
  5. Step 5: Solve for x
    x = 613,849,375,267.93/901,383.29
  6. Step 6: Final answer
    x = 681,008.16

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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.