Home / 862,687.30-1,190,513.22-500,326.03

Finding the Fourth Proportional to 862,687.30, 1,190,513.22 and 500,326.03

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Solution

The fourth proportional to 862,687.30, 1,190,513.22 and 500,326.03 is: 690,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,687.30 : 1,190,513.22 = 500,326.03 : x
  2. Step 2: Convert to fraction form
    862,687.30/1,190,513.22 = 500,326.03/x
  3. Step 3: Cross multiply
    862,687.30x = 1,190,513.22 × 500,326.03
  4. Step 4: Simplify right side
    862,687.30x = 595,644,753,025.12
  5. Step 5: Solve for x
    x = 595,644,753,025.12/862,687.30
  6. Step 6: Final answer
    x = 690,452.67

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1.5x scale

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.