Home / 831,137.60-1,246,706.40-332,859.20

Finding the Fourth Proportional to 831,137.60, 1,246,706.40 and 332,859.20

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Solution

The fourth proportional to 831,137.60, 1,246,706.40 and 332,859.20 is: 499,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,137.60 : 1,246,706.40 = 332,859.20 : x
  2. Step 2: Convert to fraction form
    831,137.60/1,246,706.40 = 332,859.20/x
  3. Step 3: Cross multiply
    831,137.60x = 1,246,706.40 × 332,859.20
  4. Step 4: Simplify right side
    831,137.60x = 414,977,694,938.88
  5. Step 5: Solve for x
    x = 414,977,694,938.88/831,137.60
  6. Step 6: Final answer
    x = 499,288.80

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Similar ratio
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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.