Home / 788,584.70-1,183,049.85-256,015.10

Finding the Fourth Proportional to 788,584.70, 1,183,049.85 and 256,015.10

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Solution

The fourth proportional to 788,584.70, 1,183,049.85 and 256,015.10 is: 384,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,584.70 : 1,183,049.85 = 256,015.10 : x
  2. Step 2: Convert to fraction form
    788,584.70/1,183,049.85 = 256,015.10/x
  3. Step 3: Cross multiply
    788,584.70x = 1,183,049.85 × 256,015.10
  4. Step 4: Simplify right side
    788,584.70x = 302,878,625,652.74
  5. Step 5: Solve for x
    x = 302,878,625,652.74/788,584.70
  6. Step 6: Final answer
    x = 384,078.75

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Half scale
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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.