Home / 720,975.23-1,081,368.98-188,537.33

Finding the Fourth Proportional to 720,975.23, 1,081,368.98 and 188,537.33

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Solution

The fourth proportional to 720,975.23, 1,081,368.98 and 188,537.33 is: 282,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,975.23 : 1,081,368.98 = 188,537.33 : x
  2. Step 2: Convert to fraction form
    720,975.23/1,081,368.98 = 188,537.33/x
  3. Step 3: Cross multiply
    720,975.23x = 1,081,368.98 × 188,537.33
  4. Step 4: Simplify right side
    720,975.23x = 203,878,413,884.49
  5. Step 5: Solve for x
    x = 203,878,413,884.49/720,975.23
  6. Step 6: Final answer
    x = 282,781.44

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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.