Home / 797,691.87-1,100,774.32-435,112.78

Finding the Fourth Proportional to 797,691.87, 1,100,774.32 and 435,112.78

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Solution

The fourth proportional to 797,691.87, 1,100,774.32 and 435,112.78 is: 600,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,691.87 : 1,100,774.32 = 435,112.78 : x
  2. Step 2: Convert to fraction form
    797,691.87/1,100,774.32 = 435,112.78/x
  3. Step 3: Cross multiply
    797,691.87x = 1,100,774.32 × 435,112.78
  4. Step 4: Simplify right side
    797,691.87x = 478,960,974,527.81
  5. Step 5: Solve for x
    x = 478,960,974,527.81/797,691.87
  6. Step 6: Final answer
    x = 600,433.57

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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.