Home / 631,022.04-870,822.54-344,553.48

Finding the Fourth Proportional to 631,022.04, 870,822.54 and 344,553.48

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Solution

The fourth proportional to 631,022.04, 870,822.54 and 344,553.48 is: 475,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,022.04 : 870,822.54 = 344,553.48 : x
  2. Step 2: Convert to fraction form
    631,022.04/870,822.54 = 344,553.48/x
  3. Step 3: Cross multiply
    631,022.04x = 870,822.54 × 344,553.48
  4. Step 4: Simplify right side
    631,022.04x = 300,044,936,619.44
  5. Step 5: Solve for x
    x = 300,044,936,619.44/631,022.04
  6. Step 6: Final answer
    x = 475,490.42

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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.