Home / 891,231.66-1,336,038.30-329,872.50

Finding the Fourth Proportional to 891,231.66, 1,336,038.30 and 329,872.50

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Solution

The fourth proportional to 891,231.66, 1,336,038.30 and 329,872.50 is: 494,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,231.66 : 1,336,038.30 = 329,872.50 : x
  2. Step 2: Convert to fraction form
    891,231.66/1,336,038.30 = 329,872.50/x
  3. Step 3: Cross multiply
    891,231.66x = 1,336,038.30 × 329,872.50
  4. Step 4: Simplify right side
    891,231.66x = 440,722,294,116.75
  5. Step 5: Solve for x
    x = 440,722,294,116.75/891,231.66
  6. Step 6: Final answer
    x = 494,509.24

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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.