Home / 684,116.20-1,026,286.62-210,801.64

Finding the Fourth Proportional to 684,116.20, 1,026,286.62 and 210,801.64

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Solution

The fourth proportional to 684,116.20, 1,026,286.62 and 210,801.64 is: 316,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,116.20 : 1,026,286.62 = 210,801.64 : x
  2. Step 2: Convert to fraction form
    684,116.20/1,026,286.62 = 210,801.64/x
  3. Step 3: Cross multiply
    684,116.20x = 1,026,286.62 × 210,801.64
  4. Step 4: Simplify right side
    684,116.20x = 216,342,902,606.06
  5. Step 5: Solve for x
    x = 216,342,902,606.06/684,116.20
  6. Step 6: Final answer
    x = 316,237.07

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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.