Home / 684,496.80-1,026,793.80-211,181.40

Finding the Fourth Proportional to 684,496.80, 1,026,793.80 and 211,181.40

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Solution

The fourth proportional to 684,496.80, 1,026,793.80 and 211,181.40 is: 316,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,496.80 : 1,026,793.80 = 211,181.40 : x
  2. Step 2: Convert to fraction form
    684,496.80/1,026,793.80 = 211,181.40/x
  3. Step 3: Cross multiply
    684,496.80x = 1,026,793.80 × 211,181.40
  4. Step 4: Simplify right side
    684,496.80x = 216,839,752,195.32
  5. Step 5: Solve for x
    x = 216,839,752,195.32/684,496.80
  6. Step 6: Final answer
    x = 316,787.09

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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.