Home / 631,022.13-870,809.94-344,542.14

Finding the Fourth Proportional to 631,022.13, 870,809.94 and 344,542.14

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Solution

The fourth proportional to 631,022.13, 870,809.94 and 344,542.14 is: 475,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,022.13 : 870,809.94 = 344,542.14 : x
  2. Step 2: Convert to fraction form
    631,022.13/870,809.94 = 344,542.14/x
  3. Step 3: Cross multiply
    631,022.13x = 870,809.94 × 344,542.14
  4. Step 4: Simplify right side
    631,022.13x = 300,030,720,260.87
  5. Step 5: Solve for x
    x = 300,030,720,260.87/631,022.13
  6. Step 6: Final answer
    x = 475,467.83

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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.