Home / 769,479.35-1,061,848.64-425,297.66

Finding the Fourth Proportional to 769,479.35, 1,061,848.64 and 425,297.66

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Solution

The fourth proportional to 769,479.35, 1,061,848.64 and 425,297.66 is: 586,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,479.35 : 1,061,848.64 = 425,297.66 : x
  2. Step 2: Convert to fraction form
    769,479.35/1,061,848.64 = 425,297.66/x
  3. Step 3: Cross multiply
    769,479.35x = 1,061,848.64 × 425,297.66
  4. Step 4: Simplify right side
    769,479.35x = 451,601,737,620.18
  5. Step 5: Solve for x
    x = 451,601,737,620.18/769,479.35
  6. Step 6: Final answer
    x = 586,892.61

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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.