Home / 728,685.05-1,093,060.40-223,209.18

Finding the Fourth Proportional to 728,685.05, 1,093,060.40 and 223,209.18

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Solution

The fourth proportional to 728,685.05, 1,093,060.40 and 223,209.18 is: 334,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,685.05 : 1,093,060.40 = 223,209.18 : x
  2. Step 2: Convert to fraction form
    728,685.05/1,093,060.40 = 223,209.18/x
  3. Step 3: Cross multiply
    728,685.05x = 1,093,060.40 × 223,209.18
  4. Step 4: Simplify right side
    728,685.05x = 243,981,114,458.43
  5. Step 5: Solve for x
    x = 243,981,114,458.43/728,685.05
  6. Step 6: Final answer
    x = 334,823.83

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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.