Home / 831,034.62-1,246,598.07-262,429.20

Finding the Fourth Proportional to 831,034.62, 1,246,598.07 and 262,429.20

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Solution

The fourth proportional to 831,034.62, 1,246,598.07 and 262,429.20 is: 393,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,034.62 : 1,246,598.07 = 262,429.20 : x
  2. Step 2: Convert to fraction form
    831,034.62/1,246,598.07 = 262,429.20/x
  3. Step 3: Cross multiply
    831,034.62x = 1,246,598.07 × 262,429.20
  4. Step 4: Simplify right side
    831,034.62x = 327,143,734,231.64
  5. Step 5: Solve for x
    x = 327,143,734,231.64/831,034.62
  6. Step 6: Final answer
    x = 393,658.37

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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.