Home / 789,497.69-1,089,440.69-467,151.30

Finding the Fourth Proportional to 789,497.69, 1,089,440.69 and 467,151.30

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Solution

The fourth proportional to 789,497.69, 1,089,440.69 and 467,151.30 is: 644,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,497.69 : 1,089,440.69 = 467,151.30 : x
  2. Step 2: Convert to fraction form
    789,497.69/1,089,440.69 = 467,151.30/x
  3. Step 3: Cross multiply
    789,497.69x = 1,089,440.69 × 467,151.30
  4. Step 4: Simplify right side
    789,497.69x = 508,933,632,270.64
  5. Step 5: Solve for x
    x = 508,933,632,270.64/789,497.69
  6. Step 6: Final answer
    x = 644,629.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.