Home / 726,787.68-1,090,186.48-277,387.36

Finding the Fourth Proportional to 726,787.68, 1,090,186.48 and 277,387.36

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Solution

The fourth proportional to 726,787.68, 1,090,186.48 and 277,387.36 is: 416,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,787.68 : 1,090,186.48 = 277,387.36 : x
  2. Step 2: Convert to fraction form
    726,787.68/1,090,186.48 = 277,387.36/x
  3. Step 3: Cross multiply
    726,787.68x = 1,090,186.48 × 277,387.36
  4. Step 4: Simplify right side
    726,787.68x = 302,403,949,594.89
  5. Step 5: Solve for x
    x = 302,403,949,594.89/726,787.68
  6. Step 6: Final answer
    x = 416,082.93

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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.