Home / 789,609.52-1,089,658.02-427,033.84

Finding the Fourth Proportional to 789,609.52, 1,089,658.02 and 427,033.84

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Solution

The fourth proportional to 789,609.52, 1,089,658.02 and 427,033.84 is: 589,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,609.52 : 1,089,658.02 = 427,033.84 : x
  2. Step 2: Convert to fraction form
    789,609.52/1,089,658.02 = 427,033.84/x
  3. Step 3: Cross multiply
    789,609.52x = 1,089,658.02 × 427,033.84
  4. Step 4: Simplify right side
    789,609.52x = 465,320,848,567.40
  5. Step 5: Solve for x
    x = 465,320,848,567.40/789,609.52
  6. Step 6: Final answer
    x = 589,305.01

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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.