Home / 669,771.60-1,004,560.20-196,407.60

Finding the Fourth Proportional to 669,771.60, 1,004,560.20 and 196,407.60

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Solution

The fourth proportional to 669,771.60, 1,004,560.20 and 196,407.60 is: 294,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,771.60 : 1,004,560.20 = 196,407.60 : x
  2. Step 2: Convert to fraction form
    669,771.60/1,004,560.20 = 196,407.60/x
  3. Step 3: Cross multiply
    669,771.60x = 1,004,560.20 × 196,407.60
  4. Step 4: Simplify right side
    669,771.60x = 197,303,257,937.52
  5. Step 5: Solve for x
    x = 197,303,257,937.52/669,771.60
  6. Step 6: Final answer
    x = 294,582.90

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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.