Home / 780,370.44-1,170,433.56-247,821.36

Finding the Fourth Proportional to 780,370.44, 1,170,433.56 and 247,821.36

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Solution

The fourth proportional to 780,370.44, 1,170,433.56 and 247,821.36 is: 371,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,370.44 : 1,170,433.56 = 247,821.36 : x
  2. Step 2: Convert to fraction form
    780,370.44/1,170,433.56 = 247,821.36/x
  3. Step 3: Cross multiply
    780,370.44x = 1,170,433.56 × 247,821.36
  4. Step 4: Simplify right side
    780,370.44x = 290,058,436,628.84
  5. Step 5: Solve for x
    x = 290,058,436,628.84/780,370.44
  6. Step 6: Final answer
    x = 371,693.26

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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.