Home / 831,992.42-1,247,223.18-452,358.38

Finding the Fourth Proportional to 831,992.42, 1,247,223.18 and 452,358.38

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Solution

The fourth proportional to 831,992.42, 1,247,223.18 and 452,358.38 is: 678,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,992.42 : 1,247,223.18 = 452,358.38 : x
  2. Step 2: Convert to fraction form
    831,992.42/1,247,223.18 = 452,358.38/x
  3. Step 3: Cross multiply
    831,992.42x = 1,247,223.18 × 452,358.38
  4. Step 4: Simplify right side
    831,992.42x = 564,191,857,203.25
  5. Step 5: Solve for x
    x = 564,191,857,203.25/831,992.42
  6. Step 6: Final answer
    x = 678,121.39

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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.