Home / 851,329.05-1,276,998.12-252,295.40

Finding the Fourth Proportional to 851,329.05, 1,276,998.12 and 252,295.40

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Solution

The fourth proportional to 851,329.05, 1,276,998.12 and 252,295.40 is: 378,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,329.05 : 1,276,998.12 = 252,295.40 : x
  2. Step 2: Convert to fraction form
    851,329.05/1,276,998.12 = 252,295.40/x
  3. Step 3: Cross multiply
    851,329.05x = 1,276,998.12 × 252,295.40
  4. Step 4: Simplify right side
    851,329.05x = 322,180,745,099.66
  5. Step 5: Solve for x
    x = 322,180,745,099.66/851,329.05
  6. Step 6: Final answer
    x = 378,444.44

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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.