Home / 788,708.40-1,183,062.60-256,246.80

Finding the Fourth Proportional to 788,708.40, 1,183,062.60 and 256,246.80

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Solution

The fourth proportional to 788,708.40, 1,183,062.60 and 256,246.80 is: 384,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,708.40 : 1,183,062.60 = 256,246.80 : x
  2. Step 2: Convert to fraction form
    788,708.40/1,183,062.60 = 256,246.80/x
  3. Step 3: Cross multiply
    788,708.40x = 1,183,062.60 × 256,246.80
  4. Step 4: Simplify right side
    788,708.40x = 303,156,005,449.68
  5. Step 5: Solve for x
    x = 303,156,005,449.68/788,708.40
  6. Step 6: Final answer
    x = 384,370.20

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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.