Home / 967,589.20-1,450,865.40-405,989.20

Finding the Fourth Proportional to 967,589.20, 1,450,865.40 and 405,989.20

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Solution

The fourth proportional to 967,589.20, 1,450,865.40 and 405,989.20 is: 608,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,589.20 : 1,450,865.40 = 405,989.20 : x
  2. Step 2: Convert to fraction form
    967,589.20/1,450,865.40 = 405,989.20/x
  3. Step 3: Cross multiply
    967,589.20x = 1,450,865.40 × 405,989.20
  4. Step 4: Simplify right side
    967,589.20x = 589,035,683,053.68
  5. Step 5: Solve for x
    x = 589,035,683,053.68/967,589.20
  6. Step 6: Final answer
    x = 608,766.29

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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.