Home / 789,667.08-1,089,737.11-427,091.37

Finding the Fourth Proportional to 789,667.08, 1,089,737.11 and 427,091.37

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Solution

The fourth proportional to 789,667.08, 1,089,737.11 and 427,091.37 is: 589,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,667.08 : 1,089,737.11 = 427,091.37 : x
  2. Step 2: Convert to fraction form
    789,667.08/1,089,737.11 = 427,091.37/x
  3. Step 3: Cross multiply
    789,667.08x = 1,089,737.11 × 427,091.37
  4. Step 4: Simplify right side
    789,667.08x = 465,417,315,249.74
  5. Step 5: Solve for x
    x = 465,417,315,249.74/789,667.08
  6. Step 6: Final answer
    x = 589,384.22

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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.