Home / 794,743.20-1,192,114.80-345,387.60

Finding the Fourth Proportional to 794,743.20, 1,192,114.80 and 345,387.60

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Solution

The fourth proportional to 794,743.20, 1,192,114.80 and 345,387.60 is: 518,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,743.20 : 1,192,114.80 = 345,387.60 : x
  2. Step 2: Convert to fraction form
    794,743.20/1,192,114.80 = 345,387.60/x
  3. Step 3: Cross multiply
    794,743.20x = 1,192,114.80 × 345,387.60
  4. Step 4: Simplify right side
    794,743.20x = 411,741,669,696.48
  5. Step 5: Solve for x
    x = 411,741,669,696.48/794,743.20
  6. Step 6: Final answer
    x = 518,081.40

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Double scale
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Similar ratio
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1.5x scale

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.