Home / 831,144.63-1,246,787.64-262,373.55

Finding the Fourth Proportional to 831,144.63, 1,246,787.64 and 262,373.55

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Solution

The fourth proportional to 831,144.63, 1,246,787.64 and 262,373.55 is: 393,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,144.63 : 1,246,787.64 = 262,373.55 : x
  2. Step 2: Convert to fraction form
    831,144.63/1,246,787.64 = 262,373.55/x
  3. Step 3: Cross multiply
    831,144.63x = 1,246,787.64 × 262,373.55
  4. Step 4: Simplify right side
    831,144.63x = 327,124,099,202.92
  5. Step 5: Solve for x
    x = 327,124,099,202.92/831,144.63
  6. Step 6: Final answer
    x = 393,582.64

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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.