Home / 772,706.40-1,159,059.60-204,086.40

Finding the Fourth Proportional to 772,706.40, 1,159,059.60 and 204,086.40

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Solution

The fourth proportional to 772,706.40, 1,159,059.60 and 204,086.40 is: 306,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,706.40 : 1,159,059.60 = 204,086.40 : x
  2. Step 2: Convert to fraction form
    772,706.40/1,159,059.60 = 204,086.40/x
  3. Step 3: Cross multiply
    772,706.40x = 1,159,059.60 × 204,086.40
  4. Step 4: Simplify right side
    772,706.40x = 236,548,301,149.44
  5. Step 5: Solve for x
    x = 236,548,301,149.44/772,706.40
  6. Step 6: Final answer
    x = 306,129.60

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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.