Home / 684,706.30-1,027,687.20-347,981.20

Finding the Fourth Proportional to 684,706.30, 1,027,687.20 and 347,981.20

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Solution

The fourth proportional to 684,706.30, 1,027,687.20 and 347,981.20 is: 522,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,706.30 : 1,027,687.20 = 347,981.20 : x
  2. Step 2: Convert to fraction form
    684,706.30/1,027,687.20 = 347,981.20/x
  3. Step 3: Cross multiply
    684,706.30x = 1,027,687.20 × 347,981.20
  4. Step 4: Simplify right side
    684,706.30x = 357,615,825,080.64
  5. Step 5: Solve for x
    x = 357,615,825,080.64/684,706.30
  6. Step 6: Final answer
    x = 522,290.83

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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.