Home / 891,665.33-1,337,599.48-323,314.11

Finding the Fourth Proportional to 891,665.33, 1,337,599.48 and 323,314.11

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Solution

The fourth proportional to 891,665.33, 1,337,599.48 and 323,314.11 is: 485,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,665.33 : 1,337,599.48 = 323,314.11 : x
  2. Step 2: Convert to fraction form
    891,665.33/1,337,599.48 = 323,314.11/x
  3. Step 3: Cross multiply
    891,665.33x = 1,337,599.48 × 323,314.11
  4. Step 4: Simplify right side
    891,665.33x = 432,464,783,796.09
  5. Step 5: Solve for x
    x = 432,464,783,796.09/891,665.33
  6. Step 6: Final answer
    x = 485,007.96

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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.