Home / 891,102.31-1,336,119.64-283,628.23

Finding the Fourth Proportional to 891,102.31, 1,336,119.64 and 283,628.23

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Solution

The fourth proportional to 891,102.31, 1,336,119.64 and 283,628.23 is: 425,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,102.31 : 1,336,119.64 = 283,628.23 : x
  2. Step 2: Convert to fraction form
    891,102.31/1,336,119.64 = 283,628.23/x
  3. Step 3: Cross multiply
    891,102.31x = 1,336,119.64 × 283,628.23
  4. Step 4: Simplify right side
    891,102.31x = 378,961,248,561.44
  5. Step 5: Solve for x
    x = 378,961,248,561.44/891,102.31
  6. Step 6: Final answer
    x = 425,272.43

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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.