Home / 677,784.99-1,015,968.09-228,350.58

Finding the Fourth Proportional to 677,784.99, 1,015,968.09 and 228,350.58

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Solution

The fourth proportional to 677,784.99, 1,015,968.09 and 228,350.58 is: 342,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,784.99 : 1,015,968.09 = 228,350.58 : x
  2. Step 2: Convert to fraction form
    677,784.99/1,015,968.09 = 228,350.58/x
  3. Step 3: Cross multiply
    677,784.99x = 1,015,968.09 × 228,350.58
  4. Step 4: Simplify right side
    677,784.99x = 231,996,902,612.99
  5. Step 5: Solve for x
    x = 231,996,902,612.99/677,784.99
  6. Step 6: Final answer
    x = 342,286.87

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Double scale
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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.