Home / 806,215.10-1,112,574.60-443,662.43

Finding the Fourth Proportional to 806,215.10, 1,112,574.60 and 443,662.43

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Solution

The fourth proportional to 806,215.10, 1,112,574.60 and 443,662.43 is: 612,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,215.10 : 1,112,574.60 = 443,662.43 : x
  2. Step 2: Convert to fraction form
    806,215.10/1,112,574.60 = 443,662.43/x
  3. Step 3: Cross multiply
    806,215.10x = 1,112,574.60 × 443,662.43
  4. Step 4: Simplify right side
    806,215.10x = 493,607,545,029.41
  5. Step 5: Solve for x
    x = 493,607,545,029.41/806,215.10
  6. Step 6: Final answer
    x = 612,252.92

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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.