Home / 652,531.09-979,086.64-253,202.66

Finding the Fourth Proportional to 652,531.09, 979,086.64 and 253,202.66

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Solution

The fourth proportional to 652,531.09, 979,086.64 and 253,202.66 is: 379,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,531.09 : 979,086.64 = 253,202.66 : x
  2. Step 2: Convert to fraction form
    652,531.09/979,086.64 = 253,202.66/x
  3. Step 3: Cross multiply
    652,531.09x = 979,086.64 × 253,202.66
  4. Step 4: Simplify right side
    652,531.09x = 247,907,340,236.35
  5. Step 5: Solve for x
    x = 247,907,340,236.35/652,531.09
  6. Step 6: Final answer
    x = 379,916.52

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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.