Home / 856,662.13-1,284,712.89-401,112.37

Finding the Fourth Proportional to 856,662.13, 1,284,712.89 and 401,112.37

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Solution

The fourth proportional to 856,662.13, 1,284,712.89 and 401,112.37 is: 601,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,662.13 : 1,284,712.89 = 401,112.37 : x
  2. Step 2: Convert to fraction form
    856,662.13/1,284,712.89 = 401,112.37/x
  3. Step 3: Cross multiply
    856,662.13x = 1,284,712.89 × 401,112.37
  4. Step 4: Simplify right side
    856,662.13x = 515,314,232,077.45
  5. Step 5: Solve for x
    x = 515,314,232,077.45/856,662.13
  6. Step 6: Final answer
    x = 601,537.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.