Home / 695,238.51-1,042,595.31-320,999.07

Finding the Fourth Proportional to 695,238.51, 1,042,595.31 and 320,999.07

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Solution

The fourth proportional to 695,238.51, 1,042,595.31 and 320,999.07 is: 481,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,238.51 : 1,042,595.31 = 320,999.07 : x
  2. Step 2: Convert to fraction form
    695,238.51/1,042,595.31 = 320,999.07/x
  3. Step 3: Cross multiply
    695,238.51x = 1,042,595.31 × 320,999.07
  4. Step 4: Simplify right side
    695,238.51x = 334,672,124,896.36
  5. Step 5: Solve for x
    x = 334,672,124,896.36/695,238.51
  6. Step 6: Final answer
    x = 481,377.43

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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.