Home / 701,403.72-1,052,018.10-280,683.24

Finding the Fourth Proportional to 701,403.72, 1,052,018.10 and 280,683.24

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Solution

The fourth proportional to 701,403.72, 1,052,018.10 and 280,683.24 is: 420,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,403.72 : 1,052,018.10 = 280,683.24 : x
  2. Step 2: Convert to fraction form
    701,403.72/1,052,018.10 = 280,683.24/x
  3. Step 3: Cross multiply
    701,403.72x = 1,052,018.10 × 280,683.24
  4. Step 4: Simplify right side
    701,403.72x = 295,283,848,846.64
  5. Step 5: Solve for x
    x = 295,283,848,846.64/701,403.72
  6. Step 6: Final answer
    x = 420,989.85

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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.