Home / 2,850,435.57-4,275,653.36-720,519.69

Finding the Fourth Proportional to 2,850,435.57, 4,275,653.36 and 720,519.69

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Solution

The fourth proportional to 2,850,435.57, 4,275,653.36 and 720,519.69 is: 1,080,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,435.57 : 4,275,653.36 = 720,519.69 : x
  2. Step 2: Convert to fraction form
    2,850,435.57/4,275,653.36 = 720,519.69/x
  3. Step 3: Cross multiply
    2,850,435.57x = 4,275,653.36 × 720,519.69
  4. Step 4: Simplify right side
    2,850,435.57x = 3,080,692,435,295.96
  5. Step 5: Solve for x
    x = 3,080,692,435,295.96/2,850,435.57
  6. Step 6: Final answer
    x = 1,080,779.54

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Double scale
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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.