Home / 759,033.75-1,137,562.83-309,227.79

Finding the Fourth Proportional to 759,033.75, 1,137,562.83 and 309,227.79

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Solution

The fourth proportional to 759,033.75, 1,137,562.83 and 309,227.79 is: 463,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,033.75 : 1,137,562.83 = 309,227.79 : x
  2. Step 2: Convert to fraction form
    759,033.75/1,137,562.83 = 309,227.79/x
  3. Step 3: Cross multiply
    759,033.75x = 1,137,562.83 × 309,227.79
  4. Step 4: Simplify right side
    759,033.75x = 351,766,039,907.05
  5. Step 5: Solve for x
    x = 351,766,039,907.05/759,033.75
  6. Step 6: Final answer
    x = 463,439.26

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Double scale
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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.