Home / 840,585.69-1,260,785.07-300,820.18

Finding the Fourth Proportional to 840,585.69, 1,260,785.07 and 300,820.18

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Solution

The fourth proportional to 840,585.69, 1,260,785.07 and 300,820.18 is: 451,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,585.69 : 1,260,785.07 = 300,820.18 : x
  2. Step 2: Convert to fraction form
    840,585.69/1,260,785.07 = 300,820.18/x
  3. Step 3: Cross multiply
    840,585.69x = 1,260,785.07 × 300,820.18
  4. Step 4: Simplify right side
    840,585.69x = 379,269,591,698.71
  5. Step 5: Solve for x
    x = 379,269,591,698.71/840,585.69
  6. Step 6: Final answer
    x = 451,196.82

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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.