Home / 789,452.57-1,089,450.70-435,844.40

Finding the Fourth Proportional to 789,452.57, 1,089,450.70 and 435,844.40

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Solution

The fourth proportional to 789,452.57, 1,089,450.70 and 435,844.40 is: 601,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,452.57 : 1,089,450.70 = 435,844.40 : x
  2. Step 2: Convert to fraction form
    789,452.57/1,089,450.70 = 435,844.40/x
  3. Step 3: Cross multiply
    789,452.57x = 1,089,450.70 × 435,844.40
  4. Step 4: Simplify right side
    789,452.57x = 474,830,980,134.22
  5. Step 5: Solve for x
    x = 474,830,980,134.22/789,452.57
  6. Step 6: Final answer
    x = 601,468.66

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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.