Home / 693,102.06-1,039,782.69-219,660.30

Finding the Fourth Proportional to 693,102.06, 1,039,782.69 and 219,660.30

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Solution

The fourth proportional to 693,102.06, 1,039,782.69 and 219,660.30 is: 329,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,102.06 : 1,039,782.69 = 219,660.30 : x
  2. Step 2: Convert to fraction form
    693,102.06/1,039,782.69 = 219,660.30/x
  3. Step 3: Cross multiply
    693,102.06x = 1,039,782.69 × 219,660.30
  4. Step 4: Simplify right side
    693,102.06x = 228,398,977,620.21
  5. Step 5: Solve for x
    x = 228,398,977,620.21/693,102.06
  6. Step 6: Final answer
    x = 329,531.52

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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.