Home / 996,375.60-1,494,563.40-397,429.20

Finding the Fourth Proportional to 996,375.60, 1,494,563.40 and 397,429.20

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Solution

The fourth proportional to 996,375.60, 1,494,563.40 and 397,429.20 is: 596,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,375.60 : 1,494,563.40 = 397,429.20 : x
  2. Step 2: Convert to fraction form
    996,375.60/1,494,563.40 = 397,429.20/x
  3. Step 3: Cross multiply
    996,375.60x = 1,494,563.40 × 397,429.20
  4. Step 4: Simplify right side
    996,375.60x = 593,983,136,411.28
  5. Step 5: Solve for x
    x = 593,983,136,411.28/996,375.60
  6. Step 6: Final answer
    x = 596,143.80

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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.