Home / 432,821.88-647,608.97-357,977.27

Finding the Fourth Proportional to 432,821.88, 647,608.97 and 357,977.27

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Solution

The fourth proportional to 432,821.88, 647,608.97 and 357,977.27 is: 535,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,821.88 : 647,608.97 = 357,977.27 : x
  2. Step 2: Convert to fraction form
    432,821.88/647,608.97 = 357,977.27/x
  3. Step 3: Cross multiply
    432,821.88x = 647,608.97 × 357,977.27
  4. Step 4: Simplify right side
    432,821.88x = 231,829,293,622.08
  5. Step 5: Solve for x
    x = 231,829,293,622.08/432,821.88
  6. Step 6: Final answer
    x = 535,622.86

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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.