Home / 891,641.88-1,337,564.31-323,290.64

Finding the Fourth Proportional to 891,641.88, 1,337,564.31 and 323,290.64

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Solution

The fourth proportional to 891,641.88, 1,337,564.31 and 323,290.64 is: 484,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,641.88 : 1,337,564.31 = 323,290.64 : x
  2. Step 2: Convert to fraction form
    891,641.88/1,337,564.31 = 323,290.64/x
  3. Step 3: Cross multiply
    891,641.88x = 1,337,564.31 × 323,290.64
  4. Step 4: Simplify right side
    891,641.88x = 432,422,015,133.24
  5. Step 5: Solve for x
    x = 432,422,015,133.24/891,641.88
  6. Step 6: Final answer
    x = 484,972.75

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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.