Home / 831,498.82-1,147,468.08-449,525.50

Finding the Fourth Proportional to 831,498.82, 1,147,468.08 and 449,525.50

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Solution

The fourth proportional to 831,498.82, 1,147,468.08 and 449,525.50 is: 620,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,498.82 : 1,147,468.08 = 449,525.50 : x
  2. Step 2: Convert to fraction form
    831,498.82/1,147,468.08 = 449,525.50/x
  3. Step 3: Cross multiply
    831,498.82x = 1,147,468.08 × 449,525.50
  4. Step 4: Simplify right side
    831,498.82x = 515,816,162,396.04
  5. Step 5: Solve for x
    x = 515,816,162,396.04/831,498.82
  6. Step 6: Final answer
    x = 620,345.03

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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.