Home / 718,788.52-1,078,844.82-364,049.56

Finding the Fourth Proportional to 718,788.52, 1,078,844.82 and 364,049.56

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Solution

The fourth proportional to 718,788.52, 1,078,844.82 and 364,049.56 is: 546,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,788.52 : 1,078,844.82 = 364,049.56 : x
  2. Step 2: Convert to fraction form
    718,788.52/1,078,844.82 = 364,049.56/x
  3. Step 3: Cross multiply
    718,788.52x = 1,078,844.82 × 364,049.56
  4. Step 4: Simplify right side
    718,788.52x = 392,752,982,029.28
  5. Step 5: Solve for x
    x = 392,752,982,029.28/718,788.52
  6. Step 6: Final answer
    x = 546,409.65

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Double scale
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Similar ratio
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1.5x scale

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.