Home / 754,264.72-1,131,889.56-281,328.40

Finding the Fourth Proportional to 754,264.72, 1,131,889.56 and 281,328.40

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Solution

The fourth proportional to 754,264.72, 1,131,889.56 and 281,328.40 is: 422,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,264.72 : 1,131,889.56 = 281,328.40 : x
  2. Step 2: Convert to fraction form
    754,264.72/1,131,889.56 = 281,328.40/x
  3. Step 3: Cross multiply
    754,264.72x = 1,131,889.56 × 281,328.40
  4. Step 4: Simplify right side
    754,264.72x = 318,432,678,891.50
  5. Step 5: Solve for x
    x = 318,432,678,891.50/754,264.72
  6. Step 6: Final answer
    x = 422,176.29

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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.