Home / 996,421.20-1,494,777.60-322,387.80

Finding the Fourth Proportional to 996,421.20, 1,494,777.60 and 322,387.80

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Solution

The fourth proportional to 996,421.20, 1,494,777.60 and 322,387.80 is: 483,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,421.20 : 1,494,777.60 = 322,387.80 : x
  2. Step 2: Convert to fraction form
    996,421.20/1,494,777.60 = 322,387.80/x
  3. Step 3: Cross multiply
    996,421.20x = 1,494,777.60 × 322,387.80
  4. Step 4: Simplify right side
    996,421.20x = 481,898,061,953.28
  5. Step 5: Solve for x
    x = 481,898,061,953.28/996,421.20
  6. Step 6: Final answer
    x = 483,628.87

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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.