Home / 786,555.20-1,179,832.80-337,199.60

Finding the Fourth Proportional to 786,555.20, 1,179,832.80 and 337,199.60

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Solution

The fourth proportional to 786,555.20, 1,179,832.80 and 337,199.60 is: 505,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,555.20 : 1,179,832.80 = 337,199.60 : x
  2. Step 2: Convert to fraction form
    786,555.20/1,179,832.80 = 337,199.60/x
  3. Step 3: Cross multiply
    786,555.20x = 1,179,832.80 × 337,199.60
  4. Step 4: Simplify right side
    786,555.20x = 397,839,148,226.88
  5. Step 5: Solve for x
    x = 397,839,148,226.88/786,555.20
  6. Step 6: Final answer
    x = 505,799.40

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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.