Home / 912,489.72-1,259,243.98-504,619

Finding the Fourth Proportional to 912,489.72, 1,259,243.98 and 504,619

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Solution

The fourth proportional to 912,489.72, 1,259,243.98 and 504,619 is: 696,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,489.72 : 1,259,243.98 = 504,619 : x
  2. Step 2: Convert to fraction form
    912,489.72/1,259,243.98 = 504,619/x
  3. Step 3: Cross multiply
    912,489.72x = 1,259,243.98 × 504,619
  4. Step 4: Simplify right side
    912,489.72x = 635,438,437,943.62
  5. Step 5: Solve for x
    x = 635,438,437,943.62/912,489.72
  6. Step 6: Final answer
    x = 696,378.74

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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.