Home / 556,078.98-834,110.68-219,122.56

Finding the Fourth Proportional to 556,078.98, 834,110.68 and 219,122.56

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Solution

The fourth proportional to 556,078.98, 834,110.68 and 219,122.56 is: 328,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,078.98 : 834,110.68 = 219,122.56 : x
  2. Step 2: Convert to fraction form
    556,078.98/834,110.68 = 219,122.56/x
  3. Step 3: Cross multiply
    556,078.98x = 834,110.68 × 219,122.56
  4. Step 4: Simplify right side
    556,078.98x = 182,772,465,160.27
  5. Step 5: Solve for x
    x = 182,772,465,160.27/556,078.98
  6. Step 6: Final answer
    x = 328,680.77

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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.