Home / 850,986.80-1,174,032.60-488,279.60

Finding the Fourth Proportional to 850,986.80, 1,174,032.60 and 488,279.60

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Solution

The fourth proportional to 850,986.80, 1,174,032.60 and 488,279.60 is: 673,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,986.80 : 1,174,032.60 = 488,279.60 : x
  2. Step 2: Convert to fraction form
    850,986.80/1,174,032.60 = 488,279.60/x
  3. Step 3: Cross multiply
    850,986.80x = 1,174,032.60 × 488,279.60
  4. Step 4: Simplify right side
    850,986.80x = 573,256,168,314.96
  5. Step 5: Solve for x
    x = 573,256,168,314.96/850,986.80
  6. Step 6: Final answer
    x = 673,636.97

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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.