Home / 693,695.60-1,039,765.80-294,268.40

Finding the Fourth Proportional to 693,695.60, 1,039,765.80 and 294,268.40

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Solution

The fourth proportional to 693,695.60, 1,039,765.80 and 294,268.40 is: 441,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,695.60 : 1,039,765.80 = 294,268.40 : x
  2. Step 2: Convert to fraction form
    693,695.60/1,039,765.80 = 294,268.40/x
  3. Step 3: Cross multiply
    693,695.60x = 1,039,765.80 × 294,268.40
  4. Step 4: Simplify right side
    693,695.60x = 305,970,218,340.72
  5. Step 5: Solve for x
    x = 305,970,218,340.72/693,695.60
  6. Step 6: Final answer
    x = 441,072.74

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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.