Home / 728,640.95-1,093,034.30-223,196.09

Finding the Fourth Proportional to 728,640.95, 1,093,034.30 and 223,196.09

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Solution

The fourth proportional to 728,640.95, 1,093,034.30 and 223,196.09 is: 334,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,640.95 : 1,093,034.30 = 223,196.09 : x
  2. Step 2: Convert to fraction form
    728,640.95/1,093,034.30 = 223,196.09/x
  3. Step 3: Cross multiply
    728,640.95x = 1,093,034.30 × 223,196.09
  4. Step 4: Simplify right side
    728,640.95x = 243,960,975,414.74
  5. Step 5: Solve for x
    x = 243,960,975,414.74/728,640.95
  6. Step 6: Final answer
    x = 334,816.45

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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.