Home / 969,342.20-1,454,243.70-408,087.80

Finding the Fourth Proportional to 969,342.20, 1,454,243.70 and 408,087.80

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Solution

The fourth proportional to 969,342.20, 1,454,243.70 and 408,087.80 is: 612,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,342.20 : 1,454,243.70 = 408,087.80 : x
  2. Step 2: Convert to fraction form
    969,342.20/1,454,243.70 = 408,087.80/x
  3. Step 3: Cross multiply
    969,342.20x = 1,454,243.70 × 408,087.80
  4. Step 4: Simplify right side
    969,342.20x = 593,459,112,196.86
  5. Step 5: Solve for x
    x = 593,459,112,196.86/969,342.20
  6. Step 6: Final answer
    x = 612,228.70

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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.