Home / 746,121.60-1,119,052.80-272,563.20

Finding the Fourth Proportional to 746,121.60, 1,119,052.80 and 272,563.20

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Solution

The fourth proportional to 746,121.60, 1,119,052.80 and 272,563.20 is: 408,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,121.60 : 1,119,052.80 = 272,563.20 : x
  2. Step 2: Convert to fraction form
    746,121.60/1,119,052.80 = 272,563.20/x
  3. Step 3: Cross multiply
    746,121.60x = 1,119,052.80 × 272,563.20
  4. Step 4: Simplify right side
    746,121.60x = 305,012,612,136.96
  5. Step 5: Solve for x
    x = 305,012,612,136.96/746,121.60
  6. Step 6: Final answer
    x = 408,797.46

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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.