Home / 726,725.90-1,090,477.65-306,044.30

Finding the Fourth Proportional to 726,725.90, 1,090,477.65 and 306,044.30

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Solution

The fourth proportional to 726,725.90, 1,090,477.65 and 306,044.30 is: 459,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,725.90 : 1,090,477.65 = 306,044.30 : x
  2. Step 2: Convert to fraction form
    726,725.90/1,090,477.65 = 306,044.30/x
  3. Step 3: Cross multiply
    726,725.90x = 1,090,477.65 × 306,044.30
  4. Step 4: Simplify right side
    726,725.90x = 333,734,469,059.90
  5. Step 5: Solve for x
    x = 333,734,469,059.90/726,725.90
  6. Step 6: Final answer
    x = 459,230.18

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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.