Home / 805,082.52-1,207,611.36-206,038.56

Finding the Fourth Proportional to 805,082.52, 1,207,611.36 and 206,038.56

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Solution

The fourth proportional to 805,082.52, 1,207,611.36 and 206,038.56 is: 309,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,082.52 : 1,207,611.36 = 206,038.56 : x
  2. Step 2: Convert to fraction form
    805,082.52/1,207,611.36 = 206,038.56/x
  3. Step 3: Cross multiply
    805,082.52x = 1,207,611.36 × 206,038.56
  4. Step 4: Simplify right side
    805,082.52x = 248,814,505,654.04
  5. Step 5: Solve for x
    x = 248,814,505,654.04/805,082.52
  6. Step 6: Final answer
    x = 309,054.66

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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.