Home / 677,787.80-1,016,689.04-204,477.28

Finding the Fourth Proportional to 677,787.80, 1,016,689.04 and 204,477.28

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Solution

The fourth proportional to 677,787.80, 1,016,689.04 and 204,477.28 is: 306,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,787.80 : 1,016,689.04 = 204,477.28 : x
  2. Step 2: Convert to fraction form
    677,787.80/1,016,689.04 = 204,477.28/x
  3. Step 3: Cross multiply
    677,787.80x = 1,016,689.04 × 204,477.28
  4. Step 4: Simplify right side
    677,787.80x = 207,889,809,505.01
  5. Step 5: Solve for x
    x = 207,889,809,505.01/677,787.80
  6. Step 6: Final answer
    x = 306,718.13

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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.