Home / 859,958.73-1,186,712.81-472,771.33

Finding the Fourth Proportional to 859,958.73, 1,186,712.81 and 472,771.33

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Solution

The fourth proportional to 859,958.73, 1,186,712.81 and 472,771.33 is: 652,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,958.73 : 1,186,712.81 = 472,771.33 : x
  2. Step 2: Convert to fraction form
    859,958.73/1,186,712.81 = 472,771.33/x
  3. Step 3: Cross multiply
    859,958.73x = 1,186,712.81 × 472,771.33
  4. Step 4: Simplify right side
    859,958.73x = 561,043,789,003.79
  5. Step 5: Solve for x
    x = 561,043,789,003.79/859,958.73
  6. Step 6: Final answer
    x = 652,407.81

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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.