Home / 766,770.29-1,058,164.26-440,111.31

Finding the Fourth Proportional to 766,770.29, 1,058,164.26 and 440,111.31

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Solution

The fourth proportional to 766,770.29, 1,058,164.26 and 440,111.31 is: 607,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,770.29 : 1,058,164.26 = 440,111.31 : x
  2. Step 2: Convert to fraction form
    766,770.29/1,058,164.26 = 440,111.31/x
  3. Step 3: Cross multiply
    766,770.29x = 1,058,164.26 × 440,111.31
  4. Step 4: Simplify right side
    766,770.29x = 465,710,057,504.93
  5. Step 5: Solve for x
    x = 465,710,057,504.93/766,770.29
  6. Step 6: Final answer
    x = 607,365.81

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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.