Home / 872,515.80-1,308,790.08-273,463.65

Finding the Fourth Proportional to 872,515.80, 1,308,790.08 and 273,463.65

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Solution

The fourth proportional to 872,515.80, 1,308,790.08 and 273,463.65 is: 410,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,515.80 : 1,308,790.08 = 273,463.65 : x
  2. Step 2: Convert to fraction form
    872,515.80/1,308,790.08 = 273,463.65/x
  3. Step 3: Cross multiply
    872,515.80x = 1,308,790.08 × 273,463.65
  4. Step 4: Simplify right side
    872,515.80x = 357,906,512,360.59
  5. Step 5: Solve for x
    x = 357,906,512,360.59/872,515.80
  6. Step 6: Final answer
    x = 410,200.61

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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.