Home / 851,190.90-1,174,651.43-469,231.35

Finding the Fourth Proportional to 851,190.90, 1,174,651.43 and 469,231.35

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Solution

The fourth proportional to 851,190.90, 1,174,651.43 and 469,231.35 is: 647,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,190.90 : 1,174,651.43 = 469,231.35 : x
  2. Step 2: Convert to fraction form
    851,190.90/1,174,651.43 = 469,231.35/x
  3. Step 3: Cross multiply
    851,190.90x = 1,174,651.43 × 469,231.35
  4. Step 4: Simplify right side
    851,190.90x = 551,183,273,932.17
  5. Step 5: Solve for x
    x = 551,183,273,932.17/851,190.90
  6. Step 6: Final answer
    x = 647,543.66

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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.