Home / 728,642.66-1,093,036.82-223,197.80

Finding the Fourth Proportional to 728,642.66, 1,093,036.82 and 223,197.80

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Solution

The fourth proportional to 728,642.66, 1,093,036.82 and 223,197.80 is: 334,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,642.66 : 1,093,036.82 = 223,197.80 : x
  2. Step 2: Convert to fraction form
    728,642.66/1,093,036.82 = 223,197.80/x
  3. Step 3: Cross multiply
    728,642.66x = 1,093,036.82 × 223,197.80
  4. Step 4: Simplify right side
    728,642.66x = 243,963,406,961.82
  5. Step 5: Solve for x
    x = 243,963,406,961.82/728,642.66
  6. Step 6: Final answer
    x = 334,819.00

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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.