Home / 851,119.06-1,276,346.43-371,493.56

Finding the Fourth Proportional to 851,119.06, 1,276,346.43 and 371,493.56

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Solution

The fourth proportional to 851,119.06, 1,276,346.43 and 371,493.56 is: 557,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,119.06 : 1,276,346.43 = 371,493.56 : x
  2. Step 2: Convert to fraction form
    851,119.06/1,276,346.43 = 371,493.56/x
  3. Step 3: Cross multiply
    851,119.06x = 1,276,346.43 × 371,493.56
  4. Step 4: Simplify right side
    851,119.06x = 474,154,479,073.99
  5. Step 5: Solve for x
    x = 474,154,479,073.99/851,119.06
  6. Step 6: Final answer
    x = 557,095.36

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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.