Home / 728,637-1,093,028.42-223,192.14

Finding the Fourth Proportional to 728,637, 1,093,028.42 and 223,192.14

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Solution

The fourth proportional to 728,637, 1,093,028.42 and 223,192.14 is: 334,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,637 : 1,093,028.42 = 223,192.14 : x
  2. Step 2: Convert to fraction form
    728,637/1,093,028.42 = 223,192.14/x
  3. Step 3: Cross multiply
    728,637x = 1,093,028.42 × 223,192.14
  4. Step 4: Simplify right side
    728,637x = 243,955,352,140.62
  5. Step 5: Solve for x
    x = 243,955,352,140.62/728,637
  6. Step 6: Final answer
    x = 334,810.55

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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.