Home / 744,897.87-1,027,836.52-469,212.88

Finding the Fourth Proportional to 744,897.87, 1,027,836.52 and 469,212.88

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Solution

The fourth proportional to 744,897.87, 1,027,836.52 and 469,212.88 is: 647,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,897.87 : 1,027,836.52 = 469,212.88 : x
  2. Step 2: Convert to fraction form
    744,897.87/1,027,836.52 = 469,212.88/x
  3. Step 3: Cross multiply
    744,897.87x = 1,027,836.52 × 469,212.88
  4. Step 4: Simplify right side
    744,897.87x = 482,274,133,718.38
  5. Step 5: Solve for x
    x = 482,274,133,718.38/744,897.87
  6. Step 6: Final answer
    x = 647,436.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.