Home / 994,976.55-1,493,043.35-418,557.57

Finding the Fourth Proportional to 994,976.55, 1,493,043.35 and 418,557.57

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Solution

The fourth proportional to 994,976.55, 1,493,043.35 and 418,557.57 is: 628,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,976.55 : 1,493,043.35 = 418,557.57 : x
  2. Step 2: Convert to fraction form
    994,976.55/1,493,043.35 = 418,557.57/x
  3. Step 3: Cross multiply
    994,976.55x = 1,493,043.35 × 418,557.57
  4. Step 4: Simplify right side
    994,976.55x = 624,924,594,387.87
  5. Step 5: Solve for x
    x = 624,924,594,387.87/994,976.55
  6. Step 6: Final answer
    x = 628,079.72

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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.