Home / 631,934.60-871,972.20-359,967.94

Finding the Fourth Proportional to 631,934.60, 871,972.20 and 359,967.94

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Solution

The fourth proportional to 631,934.60, 871,972.20 and 359,967.94 is: 496,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,934.60 : 871,972.20 = 359,967.94 : x
  2. Step 2: Convert to fraction form
    631,934.60/871,972.20 = 359,967.94/x
  3. Step 3: Cross multiply
    631,934.60x = 871,972.20 × 359,967.94
  4. Step 4: Simplify right side
    631,934.60x = 313,882,036,571.27
  5. Step 5: Solve for x
    x = 313,882,036,571.27/631,934.60
  6. Step 6: Final answer
    x = 496,700.19

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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.