Home / 870,824.97-1,201,733.70-488,851.65

Finding the Fourth Proportional to 870,824.97, 1,201,733.70 and 488,851.65

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Solution

The fourth proportional to 870,824.97, 1,201,733.70 and 488,851.65 is: 674,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,824.97 : 1,201,733.70 = 488,851.65 : x
  2. Step 2: Convert to fraction form
    870,824.97/1,201,733.70 = 488,851.65/x
  3. Step 3: Cross multiply
    870,824.97x = 1,201,733.70 × 488,851.65
  4. Step 4: Simplify right side
    870,824.97x = 587,469,502,105.61
  5. Step 5: Solve for x
    x = 587,469,502,105.61/870,824.97
  6. Step 6: Final answer
    x = 674,612.61

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1.5x scale

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.