Home / 726,623.08-1,090,118.94-227,991.40

Finding the Fourth Proportional to 726,623.08, 1,090,118.94 and 227,991.40

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Solution

The fourth proportional to 726,623.08, 1,090,118.94 and 227,991.40 is: 342,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,623.08 : 1,090,118.94 = 227,991.40 : x
  2. Step 2: Convert to fraction form
    726,623.08/1,090,118.94 = 227,991.40/x
  3. Step 3: Cross multiply
    726,623.08x = 1,090,118.94 × 227,991.40
  4. Step 4: Simplify right side
    726,623.08x = 248,537,743,297.12
  5. Step 5: Solve for x
    x = 248,537,743,297.12/726,623.08
  6. Step 6: Final answer
    x = 342,044.93

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1.5x scale

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.