Home / 782,787.77-1,173,811.57-303,240.18

Finding the Fourth Proportional to 782,787.77, 1,173,811.57 and 303,240.18

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Solution

The fourth proportional to 782,787.77, 1,173,811.57 and 303,240.18 is: 454,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,787.77 : 1,173,811.57 = 303,240.18 : x
  2. Step 2: Convert to fraction form
    782,787.77/1,173,811.57 = 303,240.18/x
  3. Step 3: Cross multiply
    782,787.77x = 1,173,811.57 × 303,240.18
  4. Step 4: Simplify right side
    782,787.77x = 355,946,831,772.88
  5. Step 5: Solve for x
    x = 355,946,831,772.88/782,787.77
  6. Step 6: Final answer
    x = 454,716.90

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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.