Home / 831,772.80-1,151,625.60-789,782.40

Finding the Fourth Proportional to 831,772.80, 1,151,625.60 and 789,782.40

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Solution

The fourth proportional to 831,772.80, 1,151,625.60 and 789,782.40 is: 1,093,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,772.80 : 1,151,625.60 = 789,782.40 : x
  2. Step 2: Convert to fraction form
    831,772.80/1,151,625.60 = 789,782.40/x
  3. Step 3: Cross multiply
    831,772.80x = 1,151,625.60 × 789,782.40
  4. Step 4: Simplify right side
    831,772.80x = 909,533,630,269.44
  5. Step 5: Solve for x
    x = 909,533,630,269.44/831,772.80
  6. Step 6: Final answer
    x = 1,093,488.07

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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.