Home / 568,116.04-851,361.78-417,172.12

Finding the Fourth Proportional to 568,116.04, 851,361.78 and 417,172.12

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Solution

The fourth proportional to 568,116.04, 851,361.78 and 417,172.12 is: 625,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,116.04 : 851,361.78 = 417,172.12 : x
  2. Step 2: Convert to fraction form
    568,116.04/851,361.78 = 417,172.12/x
  3. Step 3: Cross multiply
    568,116.04x = 851,361.78 × 417,172.12
  4. Step 4: Simplify right side
    568,116.04x = 355,164,398,649.57
  5. Step 5: Solve for x
    x = 355,164,398,649.57/568,116.04
  6. Step 6: Final answer
    x = 625,161.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.