Home / 719,469.07-992,861.24-397,172.25

Finding the Fourth Proportional to 719,469.07, 992,861.24 and 397,172.25

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Solution

The fourth proportional to 719,469.07, 992,861.24 and 397,172.25 is: 548,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469.07 : 992,861.24 = 397,172.25 : x
  2. Step 2: Convert to fraction form
    719,469.07/992,861.24 = 397,172.25/x
  3. Step 3: Cross multiply
    719,469.07x = 992,861.24 × 397,172.25
  4. Step 4: Simplify right side
    719,469.07x = 394,336,930,642.73
  5. Step 5: Solve for x
    x = 394,336,930,642.73/719,469.07
  6. Step 6: Final answer
    x = 548,094.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.