Home / 693,013.83-1,039,557.95-219,736.09

Finding the Fourth Proportional to 693,013.83, 1,039,557.95 and 219,736.09

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Solution

The fourth proportional to 693,013.83, 1,039,557.95 and 219,736.09 is: 329,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,013.83 : 1,039,557.95 = 219,736.09 : x
  2. Step 2: Convert to fraction form
    693,013.83/1,039,557.95 = 219,736.09/x
  3. Step 3: Cross multiply
    693,013.83x = 1,039,557.95 × 219,736.09
  4. Step 4: Simplify right side
    693,013.83x = 228,428,400,286.19
  5. Step 5: Solve for x
    x = 228,428,400,286.19/693,013.83
  6. Step 6: Final answer
    x = 329,615.93

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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.