Home / 833,128.26-1,149,293.79-488,738.94

Finding the Fourth Proportional to 833,128.26, 1,149,293.79 and 488,738.94

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Solution

The fourth proportional to 833,128.26, 1,149,293.79 and 488,738.94 is: 674,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,128.26 : 1,149,293.79 = 488,738.94 : x
  2. Step 2: Convert to fraction form
    833,128.26/1,149,293.79 = 488,738.94/x
  3. Step 3: Cross multiply
    833,128.26x = 1,149,293.79 × 488,738.94
  4. Step 4: Simplify right side
    833,128.26x = 561,704,628,673.18
  5. Step 5: Solve for x
    x = 561,704,628,673.18/833,128.26
  6. Step 6: Final answer
    x = 674,211.47

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Double scale
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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.