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Finding the Fourth Proportional to 631,240.08, 871,097.84 and 344,761.32

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Solution

The fourth proportional to 631,240.08, 871,097.84 and 344,761.32 is: 475,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,240.08 : 871,097.84 = 344,761.32 : x
  2. Step 2: Convert to fraction form
    631,240.08/871,097.84 = 344,761.32/x
  3. Step 3: Cross multiply
    631,240.08x = 871,097.84 × 344,761.32
  4. Step 4: Simplify right side
    631,240.08x = 300,320,839,443.74
  5. Step 5: Solve for x
    x = 300,320,839,443.74/631,240.08
  6. Step 6: Final answer
    x = 475,763.26

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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.