Home / 776,468.80-1,165,359.30-303,493.60

Finding the Fourth Proportional to 776,468.80, 1,165,359.30 and 303,493.60

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Solution

The fourth proportional to 776,468.80, 1,165,359.30 and 303,493.60 is: 455,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,468.80 : 1,165,359.30 = 303,493.60 : x
  2. Step 2: Convert to fraction form
    776,468.80/1,165,359.30 = 303,493.60/x
  3. Step 3: Cross multiply
    776,468.80x = 1,165,359.30 × 303,493.60
  4. Step 4: Simplify right side
    776,468.80x = 353,679,089,250.48
  5. Step 5: Solve for x
    x = 353,679,089,250.48/776,468.80
  6. Step 6: Final answer
    x = 455,496.85

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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.