Home / 730,019.74-1,096,973.61-393,318.94

Finding the Fourth Proportional to 730,019.74, 1,096,973.61 and 393,318.94

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Solution

The fourth proportional to 730,019.74, 1,096,973.61 and 393,318.94 is: 591,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,019.74 : 1,096,973.61 = 393,318.94 : x
  2. Step 2: Convert to fraction form
    730,019.74/1,096,973.61 = 393,318.94/x
  3. Step 3: Cross multiply
    730,019.74x = 1,096,973.61 × 393,318.94
  4. Step 4: Simplify right side
    730,019.74x = 431,460,497,493.17
  5. Step 5: Solve for x
    x = 431,460,497,493.17/730,019.74
  6. Step 6: Final answer
    x = 591,025.80

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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.