Home / 789,779.24-1,089,895.56-427,202.96

Finding the Fourth Proportional to 789,779.24, 1,089,895.56 and 427,202.96

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Solution

The fourth proportional to 789,779.24, 1,089,895.56 and 427,202.96 is: 589,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,779.24 : 1,089,895.56 = 427,202.96 : x
  2. Step 2: Convert to fraction form
    789,779.24/1,089,895.56 = 427,202.96/x
  3. Step 3: Cross multiply
    789,779.24x = 1,089,895.56 × 427,202.96
  4. Step 4: Simplify right side
    789,779.24x = 465,606,609,322.86
  5. Step 5: Solve for x
    x = 465,606,609,322.86/789,779.24
  6. Step 6: Final answer
    x = 589,540.20

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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.