Home / 648,419.53-972,211.03-269,601.74

Finding the Fourth Proportional to 648,419.53, 972,211.03 and 269,601.74

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Solution

The fourth proportional to 648,419.53, 972,211.03 and 269,601.74 is: 404,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,419.53 : 972,211.03 = 269,601.74 : x
  2. Step 2: Convert to fraction form
    648,419.53/972,211.03 = 269,601.74/x
  3. Step 3: Cross multiply
    648,419.53x = 972,211.03 × 269,601.74
  4. Step 4: Simplify right side
    648,419.53x = 262,109,786,938.52
  5. Step 5: Solve for x
    x = 262,109,786,938.52/648,419.53
  6. Step 6: Final answer
    x = 404,228.71

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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.