Home / 767,261.40-1,058,825.28-445,163.28

Finding the Fourth Proportional to 767,261.40, 1,058,825.28 and 445,163.28

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Solution

The fourth proportional to 767,261.40, 1,058,825.28 and 445,163.28 is: 614,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,261.40 : 1,058,825.28 = 445,163.28 : x
  2. Step 2: Convert to fraction form
    767,261.40/1,058,825.28 = 445,163.28/x
  3. Step 3: Cross multiply
    767,261.40x = 1,058,825.28 × 445,163.28
  4. Step 4: Simplify right side
    767,261.40x = 471,350,134,591.72
  5. Step 5: Solve for x
    x = 471,350,134,591.72/767,261.40
  6. Step 6: Final answer
    x = 614,327.97

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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.