Home / 778,245.20-1,166,719.80-329,310.80

Finding the Fourth Proportional to 778,245.20, 1,166,719.80 and 329,310.80

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Solution

The fourth proportional to 778,245.20, 1,166,719.80 and 329,310.80 is: 493,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,245.20 : 1,166,719.80 = 329,310.80 : x
  2. Step 2: Convert to fraction form
    778,245.20/1,166,719.80 = 329,310.80/x
  3. Step 3: Cross multiply
    778,245.20x = 1,166,719.80 × 329,310.80
  4. Step 4: Simplify right side
    778,245.20x = 384,213,430,713.84
  5. Step 5: Solve for x
    x = 384,213,430,713.84/778,245.20
  6. Step 6: Final answer
    x = 493,692.00

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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.