Home / 728,956.60-1,093,803.86-491,801.06

Finding the Fourth Proportional to 728,956.60, 1,093,803.86 and 491,801.06

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Solution

The fourth proportional to 728,956.60, 1,093,803.86 and 491,801.06 is: 737,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,956.60 : 1,093,803.86 = 491,801.06 : x
  2. Step 2: Convert to fraction form
    728,956.60/1,093,803.86 = 491,801.06/x
  3. Step 3: Cross multiply
    728,956.60x = 1,093,803.86 × 491,801.06
  4. Step 4: Simplify right side
    728,956.60x = 537,933,897,780.09
  5. Step 5: Solve for x
    x = 537,933,897,780.09/728,956.60
  6. Step 6: Final answer
    x = 737,950.51

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Double scale
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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.