Home / 571,992.21-789,334.22-313,868.36

Finding the Fourth Proportional to 571,992.21, 789,334.22 and 313,868.36

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Solution

The fourth proportional to 571,992.21, 789,334.22 and 313,868.36 is: 433,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,992.21 : 789,334.22 = 313,868.36 : x
  2. Step 2: Convert to fraction form
    571,992.21/789,334.22 = 313,868.36/x
  3. Step 3: Cross multiply
    571,992.21x = 789,334.22 × 313,868.36
  4. Step 4: Simplify right side
    571,992.21x = 247,747,039,881.29
  5. Step 5: Solve for x
    x = 247,747,039,881.29/571,992.21
  6. Step 6: Final answer
    x = 433,130.09

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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.