Home / 851,256.55-1,174,786.94-469,282.63

Finding the Fourth Proportional to 851,256.55, 1,174,786.94 and 469,282.63

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Solution

The fourth proportional to 851,256.55, 1,174,786.94 and 469,282.63 is: 647,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,256.55 : 1,174,786.94 = 469,282.63 : x
  2. Step 2: Convert to fraction form
    851,256.55/1,174,786.94 = 469,282.63/x
  3. Step 3: Cross multiply
    851,256.55x = 1,174,786.94 × 469,282.63
  4. Step 4: Simplify right side
    851,256.55x = 551,307,102,546.44
  5. Step 5: Solve for x
    x = 551,307,102,546.44/851,256.55
  6. Step 6: Final answer
    x = 647,639.19

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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.