Home / 892,519.72-1,231,373.05-570,415.64

Finding the Fourth Proportional to 892,519.72, 1,231,373.05 and 570,415.64

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Solution

The fourth proportional to 892,519.72, 1,231,373.05 and 570,415.64 is: 786,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,519.72 : 1,231,373.05 = 570,415.64 : x
  2. Step 2: Convert to fraction form
    892,519.72/1,231,373.05 = 570,415.64/x
  3. Step 3: Cross multiply
    892,519.72x = 1,231,373.05 × 570,415.64
  4. Step 4: Simplify right side
    892,519.72x = 702,394,438,811.60
  5. Step 5: Solve for x
    x = 702,394,438,811.60/892,519.72
  6. Step 6: Final answer
    x = 786,979.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.