Home / 693,267.36-1,039,898.30-219,989.62

Finding the Fourth Proportional to 693,267.36, 1,039,898.30 and 219,989.62

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Solution

The fourth proportional to 693,267.36, 1,039,898.30 and 219,989.62 is: 329,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,267.36 : 1,039,898.30 = 219,989.62 : x
  2. Step 2: Convert to fraction form
    693,267.36/1,039,898.30 = 219,989.62/x
  3. Step 3: Cross multiply
    693,267.36x = 1,039,898.30 × 219,989.62
  4. Step 4: Simplify right side
    693,267.36x = 228,766,831,855.65
  5. Step 5: Solve for x
    x = 228,766,831,855.65/693,267.36
  6. Step 6: Final answer
    x = 329,983.56

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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.