Home / 789,790.18-1,184,683.83-257,310.58

Finding the Fourth Proportional to 789,790.18, 1,184,683.83 and 257,310.58

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Solution

The fourth proportional to 789,790.18, 1,184,683.83 and 257,310.58 is: 385,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,790.18 : 1,184,683.83 = 257,310.58 : x
  2. Step 2: Convert to fraction form
    789,790.18/1,184,683.83 = 257,310.58/x
  3. Step 3: Cross multiply
    789,790.18x = 1,184,683.83 × 257,310.58
  4. Step 4: Simplify right side
    789,790.18x = 304,831,683,413.92
  5. Step 5: Solve for x
    x = 304,831,683,413.92/789,790.18
  6. Step 6: Final answer
    x = 385,965.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.