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Finding the Fourth Proportional to 699,179.16, 964,873.98 and 397,375.32

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Solution

The fourth proportional to 699,179.16, 964,873.98 and 397,375.32 is: 548,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,179.16 : 964,873.98 = 397,375.32 : x
  2. Step 2: Convert to fraction form
    699,179.16/964,873.98 = 397,375.32/x
  3. Step 3: Cross multiply
    699,179.16x = 964,873.98 × 397,375.32
  4. Step 4: Simplify right side
    699,179.16x = 383,417,106,562.17
  5. Step 5: Solve for x
    x = 383,417,106,562.17/699,179.16
  6. Step 6: Final answer
    x = 548,381.77

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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.