Home / 788,782.20-1,183,346.10-256,212.60

Finding the Fourth Proportional to 788,782.20, 1,183,346.10 and 256,212.60

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Solution

The fourth proportional to 788,782.20, 1,183,346.10 and 256,212.60 is: 384,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,782.20 : 1,183,346.10 = 256,212.60 : x
  2. Step 2: Convert to fraction form
    788,782.20/1,183,346.10 = 256,212.60/x
  3. Step 3: Cross multiply
    788,782.20x = 1,183,346.10 × 256,212.60
  4. Step 4: Simplify right side
    788,782.20x = 303,188,180,980.86
  5. Step 5: Solve for x
    x = 303,188,180,980.86/788,782.20
  6. Step 6: Final answer
    x = 384,375.03

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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.