Home / 684,218.60-1,026,230.70-210,951.80

Finding the Fourth Proportional to 684,218.60, 1,026,230.70 and 210,951.80

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Solution

The fourth proportional to 684,218.60, 1,026,230.70 and 210,951.80 is: 316,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,218.60 : 1,026,230.70 = 210,951.80 : x
  2. Step 2: Convert to fraction form
    684,218.60/1,026,230.70 = 210,951.80/x
  3. Step 3: Cross multiply
    684,218.60x = 1,026,230.70 × 210,951.80
  4. Step 4: Simplify right side
    684,218.60x = 216,485,213,380.26
  5. Step 5: Solve for x
    x = 216,485,213,380.26/684,218.60
  6. Step 6: Final answer
    x = 316,397.73

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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.