Home / 851,006.06-1,276,513.20-251,978.52

Finding the Fourth Proportional to 851,006.06, 1,276,513.20 and 251,978.52

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Solution

The fourth proportional to 851,006.06, 1,276,513.20 and 251,978.52 is: 377,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,006.06 : 1,276,513.20 = 251,978.52 : x
  2. Step 2: Convert to fraction form
    851,006.06/1,276,513.20 = 251,978.52/x
  3. Step 3: Cross multiply
    851,006.06x = 1,276,513.20 × 251,978.52
  4. Step 4: Simplify right side
    851,006.06x = 321,653,906,896.46
  5. Step 5: Solve for x
    x = 321,653,906,896.46/851,006.06
  6. Step 6: Final answer
    x = 377,969.00

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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.