Home / 631,747.24-871,867.38-359,755.72

Finding the Fourth Proportional to 631,747.24, 871,867.38 and 359,755.72

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Solution

The fourth proportional to 631,747.24, 871,867.38 and 359,755.72 is: 496,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,747.24 : 871,867.38 = 359,755.72 : x
  2. Step 2: Convert to fraction form
    631,747.24/871,867.38 = 359,755.72/x
  3. Step 3: Cross multiply
    631,747.24x = 871,867.38 × 359,755.72
  4. Step 4: Simplify right side
    631,747.24x = 313,659,277,036.41
  5. Step 5: Solve for x
    x = 313,659,277,036.41/631,747.24
  6. Step 6: Final answer
    x = 496,494.89

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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.