Home / 684,783.20-1,027,097.04-264,023.84

Finding the Fourth Proportional to 684,783.20, 1,027,097.04 and 264,023.84

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Solution

The fourth proportional to 684,783.20, 1,027,097.04 and 264,023.84 is: 396,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,783.20 : 1,027,097.04 = 264,023.84 : x
  2. Step 2: Convert to fraction form
    684,783.20/1,027,097.04 = 264,023.84/x
  3. Step 3: Cross multiply
    684,783.20x = 1,027,097.04 × 264,023.84
  4. Step 4: Simplify right side
    684,783.20x = 271,178,104,553.43
  5. Step 5: Solve for x
    x = 271,178,104,553.43/684,783.20
  6. Step 6: Final answer
    x = 396,005.78

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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.