Home / 788,858.20-1,183,460.10-256,288.60

Finding the Fourth Proportional to 788,858.20, 1,183,460.10 and 256,288.60

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Solution

The fourth proportional to 788,858.20, 1,183,460.10 and 256,288.60 is: 384,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,858.20 : 1,183,460.10 = 256,288.60 : x
  2. Step 2: Convert to fraction form
    788,858.20/1,183,460.10 = 256,288.60/x
  3. Step 3: Cross multiply
    788,858.20x = 1,183,460.10 × 256,288.60
  4. Step 4: Simplify right side
    788,858.20x = 303,307,332,184.86
  5. Step 5: Solve for x
    x = 303,307,332,184.86/788,858.20
  6. Step 6: Final answer
    x = 384,489.04

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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.