Home / 806,452.26-1,112,895.54-443,868.36

Finding the Fourth Proportional to 806,452.26, 1,112,895.54 and 443,868.36

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Solution

The fourth proportional to 806,452.26, 1,112,895.54 and 443,868.36 is: 612,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,452.26 : 1,112,895.54 = 443,868.36 : x
  2. Step 2: Convert to fraction form
    806,452.26/1,112,895.54 = 443,868.36/x
  3. Step 3: Cross multiply
    806,452.26x = 1,112,895.54 × 443,868.36
  4. Step 4: Simplify right side
    806,452.26x = 493,979,118,191.11
  5. Step 5: Solve for x
    x = 493,979,118,191.11/806,452.26
  6. Step 6: Final answer
    x = 612,533.62

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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.