Home / 729,399.84-1,096,024.08-392,689.44

Finding the Fourth Proportional to 729,399.84, 1,096,024.08 and 392,689.44

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Solution

The fourth proportional to 729,399.84, 1,096,024.08 and 392,689.44 is: 590,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,399.84 : 1,096,024.08 = 392,689.44 : x
  2. Step 2: Convert to fraction form
    729,399.84/1,096,024.08 = 392,689.44/x
  3. Step 3: Cross multiply
    729,399.84x = 1,096,024.08 × 392,689.44
  4. Step 4: Simplify right side
    729,399.84x = 430,397,082,201.72
  5. Step 5: Solve for x
    x = 430,397,082,201.72/729,399.84
  6. Step 6: Final answer
    x = 590,070.16

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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.