Home / 831,353.40-1,247,397.30-404,652.60

Finding the Fourth Proportional to 831,353.40, 1,247,397.30 and 404,652.60

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Solution

The fourth proportional to 831,353.40, 1,247,397.30 and 404,652.60 is: 607,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,353.40 : 1,247,397.30 = 404,652.60 : x
  2. Step 2: Convert to fraction form
    831,353.40/1,247,397.30 = 404,652.60/x
  3. Step 3: Cross multiply
    831,353.40x = 1,247,397.30 × 404,652.60
  4. Step 4: Simplify right side
    831,353.40x = 504,762,560,677.98
  5. Step 5: Solve for x
    x = 504,762,560,677.98/831,353.40
  6. Step 6: Final answer
    x = 607,157.63

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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.