Home / 727,051.86-1,090,618.47-221,629.26

Finding the Fourth Proportional to 727,051.86, 1,090,618.47 and 221,629.26

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Solution

The fourth proportional to 727,051.86, 1,090,618.47 and 221,629.26 is: 332,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,051.86 : 1,090,618.47 = 221,629.26 : x
  2. Step 2: Convert to fraction form
    727,051.86/1,090,618.47 = 221,629.26/x
  3. Step 3: Cross multiply
    727,051.86x = 1,090,618.47 × 221,629.26
  4. Step 4: Simplify right side
    727,051.86x = 241,712,964,448.43
  5. Step 5: Solve for x
    x = 241,712,964,448.43/727,051.86
  6. Step 6: Final answer
    x = 332,456.29

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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.