Home / 891,109.56-1,336,130.50-283,635.48

Finding the Fourth Proportional to 891,109.56, 1,336,130.50 and 283,635.48

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Solution

The fourth proportional to 891,109.56, 1,336,130.50 and 283,635.48 is: 425,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,109.56 : 1,336,130.50 = 283,635.48 : x
  2. Step 2: Convert to fraction form
    891,109.56/1,336,130.50 = 283,635.48/x
  3. Step 3: Cross multiply
    891,109.56x = 1,336,130.50 × 283,635.48
  4. Step 4: Simplify right side
    891,109.56x = 378,974,015,710.14
  5. Step 5: Solve for x
    x = 378,974,015,710.14/891,109.56
  6. Step 6: Final answer
    x = 425,283.30

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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.