Home / 741,647.16-1,109,714.94-442,290.60

Finding the Fourth Proportional to 741,647.16, 1,109,714.94 and 442,290.60

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Solution

The fourth proportional to 741,647.16, 1,109,714.94 and 442,290.60 is: 661,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,647.16 : 1,109,714.94 = 442,290.60 : x
  2. Step 2: Convert to fraction form
    741,647.16/1,109,714.94 = 442,290.60/x
  3. Step 3: Cross multiply
    741,647.16x = 1,109,714.94 × 442,290.60
  4. Step 4: Simplify right side
    741,647.16x = 490,816,486,641.56
  5. Step 5: Solve for x
    x = 490,816,486,641.56/741,647.16
  6. Step 6: Final answer
    x = 661,792.44

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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.