Home / 692,963.09-1,039,481.90-219,685.36

Finding the Fourth Proportional to 692,963.09, 1,039,481.90 and 219,685.36

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Solution

The fourth proportional to 692,963.09, 1,039,481.90 and 219,685.36 is: 329,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,963.09 : 1,039,481.90 = 219,685.36 : x
  2. Step 2: Convert to fraction form
    692,963.09/1,039,481.90 = 219,685.36/x
  3. Step 3: Cross multiply
    692,963.09x = 1,039,481.90 × 219,685.36
  4. Step 4: Simplify right side
    692,963.09x = 228,358,953,365.49
  5. Step 5: Solve for x
    x = 228,358,953,365.49/692,963.09
  6. Step 6: Final answer
    x = 329,539.85

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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.