Home / 572,170.24-789,568.32-317,519.20

Finding the Fourth Proportional to 572,170.24, 789,568.32 and 317,519.20

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Solution

The fourth proportional to 572,170.24, 789,568.32 and 317,519.20 is: 438,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,170.24 : 789,568.32 = 317,519.20 : x
  2. Step 2: Convert to fraction form
    572,170.24/789,568.32 = 317,519.20/x
  3. Step 3: Cross multiply
    572,170.24x = 789,568.32 × 317,519.20
  4. Step 4: Simplify right side
    572,170.24x = 250,703,101,311.74
  5. Step 5: Solve for x
    x = 250,703,101,311.74/572,170.24
  6. Step 6: Final answer
    x = 438,161.73

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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.