Home / 805,648.16-1,111,772.28-443,072.04

Finding the Fourth Proportional to 805,648.16, 1,111,772.28 and 443,072.04

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Solution

The fourth proportional to 805,648.16, 1,111,772.28 and 443,072.04 is: 611,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,648.16 : 1,111,772.28 = 443,072.04 : x
  2. Step 2: Convert to fraction form
    805,648.16/1,111,772.28 = 443,072.04/x
  3. Step 3: Cross multiply
    805,648.16x = 1,111,772.28 × 443,072.04
  4. Step 4: Simplify right side
    805,648.16x = 492,595,212,115.05
  5. Step 5: Solve for x
    x = 492,595,212,115.05/805,648.16
  6. Step 6: Final answer
    x = 611,427.22

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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.