Home / 851,133.87-1,174,564.45-469,167.03

Finding the Fourth Proportional to 851,133.87, 1,174,564.45 and 469,167.03

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Solution

The fourth proportional to 851,133.87, 1,174,564.45 and 469,167.03 is: 647,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,133.87 : 1,174,564.45 = 469,167.03 : x
  2. Step 2: Convert to fraction form
    851,133.87/1,174,564.45 = 469,167.03/x
  3. Step 3: Cross multiply
    851,133.87x = 1,174,564.45 × 469,167.03
  4. Step 4: Simplify right side
    851,133.87x = 551,066,907,504.34
  5. Step 5: Solve for x
    x = 551,066,907,504.34/851,133.87
  6. Step 6: Final answer
    x = 647,450.34

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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.