Home / 789,774.84-1,089,885.17-427,197.58

Finding the Fourth Proportional to 789,774.84, 1,089,885.17 and 427,197.58

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Solution

The fourth proportional to 789,774.84, 1,089,885.17 and 427,197.58 is: 589,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,774.84 : 1,089,885.17 = 427,197.58 : x
  2. Step 2: Convert to fraction form
    789,774.84/1,089,885.17 = 427,197.58/x
  3. Step 3: Cross multiply
    789,774.84x = 1,089,885.17 × 427,197.58
  4. Step 4: Simplify right side
    789,774.84x = 465,596,305,445.17
  5. Step 5: Solve for x
    x = 465,596,305,445.17/789,774.84
  6. Step 6: Final answer
    x = 589,530.44

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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.