Home / 730,019.24-1,096,972.86-393,318.44

Finding the Fourth Proportional to 730,019.24, 1,096,972.86 and 393,318.44

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Solution

The fourth proportional to 730,019.24, 1,096,972.86 and 393,318.44 is: 591,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,019.24 : 1,096,972.86 = 393,318.44 : x
  2. Step 2: Convert to fraction form
    730,019.24/1,096,972.86 = 393,318.44/x
  3. Step 3: Cross multiply
    730,019.24x = 1,096,972.86 × 393,318.44
  4. Step 4: Simplify right side
    730,019.24x = 431,459,654,017.54
  5. Step 5: Solve for x
    x = 431,459,654,017.54/730,019.24
  6. Step 6: Final answer
    x = 591,025.04

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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.