Home / 698,942.16-964,546.92-397,138.32

Finding the Fourth Proportional to 698,942.16, 964,546.92 and 397,138.32

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Solution

The fourth proportional to 698,942.16, 964,546.92 and 397,138.32 is: 548,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,942.16 : 964,546.92 = 397,138.32 : x
  2. Step 2: Convert to fraction form
    698,942.16/964,546.92 = 397,138.32/x
  3. Step 3: Cross multiply
    698,942.16x = 964,546.92 × 397,138.32
  4. Step 4: Simplify right side
    698,942.16x = 383,058,543,369.97
  5. Step 5: Solve for x
    x = 383,058,543,369.97/698,942.16
  6. Step 6: Final answer
    x = 548,054.71

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1.5x scale

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.