Home / 693,175.80-1,039,800.60-219,898.20

Finding the Fourth Proportional to 693,175.80, 1,039,800.60 and 219,898.20

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Solution

The fourth proportional to 693,175.80, 1,039,800.60 and 219,898.20 is: 329,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,175.80 : 1,039,800.60 = 219,898.20 : x
  2. Step 2: Convert to fraction form
    693,175.80/1,039,800.60 = 219,898.20/x
  3. Step 3: Cross multiply
    693,175.80x = 1,039,800.60 × 219,898.20
  4. Step 4: Simplify right side
    693,175.80x = 228,650,280,298.92
  5. Step 5: Solve for x
    x = 228,650,280,298.92/693,175.80
  6. Step 6: Final answer
    x = 329,859.01

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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.