Home / 831,167.50-1,246,821.90-262,396.42

Finding the Fourth Proportional to 831,167.50, 1,246,821.90 and 262,396.42

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Solution

The fourth proportional to 831,167.50, 1,246,821.90 and 262,396.42 is: 393,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,167.50 : 1,246,821.90 = 262,396.42 : x
  2. Step 2: Convert to fraction form
    831,167.50/1,246,821.90 = 262,396.42/x
  3. Step 3: Cross multiply
    831,167.50x = 1,246,821.90 × 262,396.42
  4. Step 4: Simplify right side
    831,167.50x = 327,161,602,937.60
  5. Step 5: Solve for x
    x = 327,161,602,937.60/831,167.50
  6. Step 6: Final answer
    x = 393,616.93

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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.