Home / 551,989.20-827,546.40-302,671.20

Finding the Fourth Proportional to 551,989.20, 827,546.40 and 302,671.20

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Solution

The fourth proportional to 551,989.20, 827,546.40 and 302,671.20 is: 453,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,989.20 : 827,546.40 = 302,671.20 : x
  2. Step 2: Convert to fraction form
    551,989.20/827,546.40 = 302,671.20/x
  3. Step 3: Cross multiply
    551,989.20x = 827,546.40 × 302,671.20
  4. Step 4: Simplify right side
    551,989.20x = 250,474,461,943.68
  5. Step 5: Solve for x
    x = 250,474,461,943.68/551,989.20
  6. Step 6: Final answer
    x = 453,766.96

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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.