Home / 851,244.12-1,174,629.60-488,581.20

Finding the Fourth Proportional to 851,244.12, 1,174,629.60 and 488,581.20

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Solution

The fourth proportional to 851,244.12, 1,174,629.60 and 488,581.20 is: 674,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,244.12 : 1,174,629.60 = 488,581.20 : x
  2. Step 2: Convert to fraction form
    851,244.12/1,174,629.60 = 488,581.20/x
  3. Step 3: Cross multiply
    851,244.12x = 1,174,629.60 × 488,581.20
  4. Step 4: Simplify right side
    851,244.12x = 573,901,939,523.52
  5. Step 5: Solve for x
    x = 573,901,939,523.52/851,244.12
  6. Step 6: Final answer
    x = 674,191.96

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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.