Home / 883,982.80-1,326,071.40-323,138.80

Finding the Fourth Proportional to 883,982.80, 1,326,071.40 and 323,138.80

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Solution

The fourth proportional to 883,982.80, 1,326,071.40 and 323,138.80 is: 484,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,982.80 : 1,326,071.40 = 323,138.80 : x
  2. Step 2: Convert to fraction form
    883,982.80/1,326,071.40 = 323,138.80/x
  3. Step 3: Cross multiply
    883,982.80x = 1,326,071.40 × 323,138.80
  4. Step 4: Simplify right side
    883,982.80x = 428,505,120,910.32
  5. Step 5: Solve for x
    x = 428,505,120,910.32/883,982.80
  6. Step 6: Final answer
    x = 484,743.73

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1.5x scale

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.