Home / 631,450.49-871,441.89-359,542.13

Finding the Fourth Proportional to 631,450.49, 871,441.89 and 359,542.13

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Solution

The fourth proportional to 631,450.49, 871,441.89 and 359,542.13 is: 496,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,450.49 : 871,441.89 = 359,542.13 : x
  2. Step 2: Convert to fraction form
    631,450.49/871,441.89 = 359,542.13/x
  3. Step 3: Cross multiply
    631,450.49x = 871,441.89 × 359,542.13
  4. Step 4: Simplify right side
    631,450.49x = 313,320,073,301.83
  5. Step 5: Solve for x
    x = 313,320,073,301.83/631,450.49
  6. Step 6: Final answer
    x = 496,191.04

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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.