Home / 779,443.32-1,169,241.78-323,940.60

Finding the Fourth Proportional to 779,443.32, 1,169,241.78 and 323,940.60

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Solution

The fourth proportional to 779,443.32, 1,169,241.78 and 323,940.60 is: 485,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,443.32 : 1,169,241.78 = 323,940.60 : x
  2. Step 2: Convert to fraction form
    779,443.32/1,169,241.78 = 323,940.60/x
  3. Step 3: Cross multiply
    779,443.32x = 1,169,241.78 × 323,940.60
  4. Step 4: Simplify right side
    779,443.32x = 378,764,883,758.27
  5. Step 5: Solve for x
    x = 378,764,883,758.27/779,443.32
  6. Step 6: Final answer
    x = 485,942.82

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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.