Home / 789,576.75-1,089,624.52-427,007.69

Finding the Fourth Proportional to 789,576.75, 1,089,624.52 and 427,007.69

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Solution

The fourth proportional to 789,576.75, 1,089,624.52 and 427,007.69 is: 589,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,576.75 : 1,089,624.52 = 427,007.69 : x
  2. Step 2: Convert to fraction form
    789,576.75/1,089,624.52 = 427,007.69/x
  3. Step 3: Cross multiply
    789,576.75x = 1,089,624.52 × 427,007.69
  4. Step 4: Simplify right side
    789,576.75x = 465,278,049,252.56
  5. Step 5: Solve for x
    x = 465,278,049,252.56/789,576.75
  6. Step 6: Final answer
    x = 589,275.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.