Home / 788,600.92-1,183,240.32-256,285.12

Finding the Fourth Proportional to 788,600.92, 1,183,240.32 and 256,285.12

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Solution

The fourth proportional to 788,600.92, 1,183,240.32 and 256,285.12 is: 384,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,600.92 : 1,183,240.32 = 256,285.12 : x
  2. Step 2: Convert to fraction form
    788,600.92/1,183,240.32 = 256,285.12/x
  3. Step 3: Cross multiply
    788,600.92x = 1,183,240.32 × 256,285.12
  4. Step 4: Simplify right side
    788,600.92x = 303,246,887,400.04
  5. Step 5: Solve for x
    x = 303,246,887,400.04/788,600.92
  6. Step 6: Final answer
    x = 384,537.83

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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.