Home / 876,791.25-1,209,971.93-474,383.25

Finding the Fourth Proportional to 876,791.25, 1,209,971.93 and 474,383.25

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Solution

The fourth proportional to 876,791.25, 1,209,971.93 and 474,383.25 is: 654,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,791.25 : 1,209,971.93 = 474,383.25 : x
  2. Step 2: Convert to fraction form
    876,791.25/1,209,971.93 = 474,383.25/x
  3. Step 3: Cross multiply
    876,791.25x = 1,209,971.93 × 474,383.25
  4. Step 4: Simplify right side
    876,791.25x = 573,990,414,190.26
  5. Step 5: Solve for x
    x = 573,990,414,190.26/876,791.25
  6. Step 6: Final answer
    x = 654,648.89

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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.