Home / 768,581.96-1,052,952.38-739,840.54

Finding the Fourth Proportional to 768,581.96, 1,052,952.38 and 739,840.54

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Solution

The fourth proportional to 768,581.96, 1,052,952.38 and 739,840.54 is: 1,013,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,581.96 : 1,052,952.38 = 739,840.54 : x
  2. Step 2: Convert to fraction form
    768,581.96/1,052,952.38 = 739,840.54/x
  3. Step 3: Cross multiply
    768,581.96x = 1,052,952.38 × 739,840.54
  4. Step 4: Simplify right side
    768,581.96x = 779,016,857,413.49
  5. Step 5: Solve for x
    x = 779,016,857,413.49/768,581.96
  6. Step 6: Final answer
    x = 1,013,576.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.