Home / 704,221.78-1,056,314.17-198,817.69

Finding the Fourth Proportional to 704,221.78, 1,056,314.17 and 198,817.69

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Solution

The fourth proportional to 704,221.78, 1,056,314.17 and 198,817.69 is: 298,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,221.78 : 1,056,314.17 = 198,817.69 : x
  2. Step 2: Convert to fraction form
    704,221.78/1,056,314.17 = 198,817.69/x
  3. Step 3: Cross multiply
    704,221.78x = 1,056,314.17 × 198,817.69
  4. Step 4: Simplify right side
    704,221.78x = 210,013,943,193.67
  5. Step 5: Solve for x
    x = 210,013,943,193.67/704,221.78
  6. Step 6: Final answer
    x = 298,221.31

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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.