Home / 631,352.04-871,260.58-344,872.20

Finding the Fourth Proportional to 631,352.04, 871,260.58 and 344,872.20

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Solution

The fourth proportional to 631,352.04, 871,260.58 and 344,872.20 is: 475,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,352.04 : 871,260.58 = 344,872.20 : x
  2. Step 2: Convert to fraction form
    631,352.04/871,260.58 = 344,872.20/x
  3. Step 3: Cross multiply
    631,352.04x = 871,260.58 × 344,872.20
  4. Step 4: Simplify right side
    631,352.04x = 300,473,552,997.88
  5. Step 5: Solve for x
    x = 300,473,552,997.88/631,352.04
  6. Step 6: Final answer
    x = 475,920.78

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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.