Home / 851,410.22-1,174,954.05-469,450.58

Finding the Fourth Proportional to 851,410.22, 1,174,954.05 and 469,450.58

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Solution

The fourth proportional to 851,410.22, 1,174,954.05 and 469,450.58 is: 647,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,410.22 : 1,174,954.05 = 469,450.58 : x
  2. Step 2: Convert to fraction form
    851,410.22/1,174,954.05 = 469,450.58/x
  3. Step 3: Cross multiply
    851,410.22x = 1,174,954.05 × 469,450.58
  4. Step 4: Simplify right side
    851,410.22x = 551,582,854,371.08
  5. Step 5: Solve for x
    x = 551,582,854,371.08/851,410.22
  6. Step 6: Final answer
    x = 647,846.18

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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.