Home / 891,100.31-1,336,116.65-283,626.23

Finding the Fourth Proportional to 891,100.31, 1,336,116.65 and 283,626.23

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Solution

The fourth proportional to 891,100.31, 1,336,116.65 and 283,626.23 is: 425,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,100.31 : 1,336,116.65 = 283,626.23 : x
  2. Step 2: Convert to fraction form
    891,100.31/1,336,116.65 = 283,626.23/x
  3. Step 3: Cross multiply
    891,100.31x = 1,336,116.65 × 283,626.23
  4. Step 4: Simplify right side
    891,100.31x = 378,957,720,181.02
  5. Step 5: Solve for x
    x = 378,957,720,181.02/891,100.31
  6. Step 6: Final answer
    x = 425,269.43

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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.