Home / 851,280.94-1,276,926.03-252,247.29

Finding the Fourth Proportional to 851,280.94, 1,276,926.03 and 252,247.29

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Solution

The fourth proportional to 851,280.94, 1,276,926.03 and 252,247.29 is: 378,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,280.94 : 1,276,926.03 = 252,247.29 : x
  2. Step 2: Convert to fraction form
    851,280.94/1,276,926.03 = 252,247.29/x
  3. Step 3: Cross multiply
    851,280.94x = 1,276,926.03 × 252,247.29
  4. Step 4: Simplify right side
    851,280.94x = 322,101,125,809.49
  5. Step 5: Solve for x
    x = 322,101,125,809.49/851,280.94
  6. Step 6: Final answer
    x = 378,372.30

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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.