Home / 789,491.95-1,089,505.38-435,884.12

Finding the Fourth Proportional to 789,491.95, 1,089,505.38 and 435,884.12

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Solution

The fourth proportional to 789,491.95, 1,089,505.38 and 435,884.12 is: 601,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,491.95 : 1,089,505.38 = 435,884.12 : x
  2. Step 2: Convert to fraction form
    789,491.95/1,089,505.38 = 435,884.12/x
  3. Step 3: Cross multiply
    789,491.95x = 1,089,505.38 × 435,884.12
  4. Step 4: Simplify right side
    789,491.95x = 474,898,094,069.25
  5. Step 5: Solve for x
    x = 474,898,094,069.25/789,491.95
  6. Step 6: Final answer
    x = 601,523.67

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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.