Home / 631,183.08-871,028.20-344,703.24

Finding the Fourth Proportional to 631,183.08, 871,028.20 and 344,703.24

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Solution

The fourth proportional to 631,183.08, 871,028.20 and 344,703.24 is: 475,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,183.08 : 871,028.20 = 344,703.24 : x
  2. Step 2: Convert to fraction form
    631,183.08/871,028.20 = 344,703.24/x
  3. Step 3: Cross multiply
    631,183.08x = 871,028.20 × 344,703.24
  4. Step 4: Simplify right side
    631,183.08x = 300,246,242,671.37
  5. Step 5: Solve for x
    x = 300,246,242,671.37/631,183.08
  6. Step 6: Final answer
    x = 475,688.04

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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.