Home / 693,458.40-1,039,611.60-294,405.60

Finding the Fourth Proportional to 693,458.40, 1,039,611.60 and 294,405.60

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Solution

The fourth proportional to 693,458.40, 1,039,611.60 and 294,405.60 is: 441,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,458.40 : 1,039,611.60 = 294,405.60 : x
  2. Step 2: Convert to fraction form
    693,458.40/1,039,611.60 = 294,405.60/x
  3. Step 3: Cross multiply
    693,458.40x = 1,039,611.60 × 294,405.60
  4. Step 4: Simplify right side
    693,458.40x = 306,067,476,864.96
  5. Step 5: Solve for x
    x = 306,067,476,864.96/693,458.40
  6. Step 6: Final answer
    x = 441,363.86

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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.