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Finding the Fourth Proportional to 631,015.04, 870,794.16 and 344,534.24

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Solution

The fourth proportional to 631,015.04, 870,794.16 and 344,534.24 is: 475,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,015.04 : 870,794.16 = 344,534.24 : x
  2. Step 2: Convert to fraction form
    631,015.04/870,794.16 = 344,534.24/x
  3. Step 3: Cross multiply
    631,015.04x = 870,794.16 × 344,534.24
  4. Step 4: Simplify right side
    631,015.04x = 300,018,404,112.04
  5. Step 5: Solve for x
    x = 300,018,404,112.04/631,015.04
  6. Step 6: Final answer
    x = 475,453.65

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Double scale
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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.