Home / 674,873.91-1,012,566.60-405,190.44

Finding the Fourth Proportional to 674,873.91, 1,012,566.60 and 405,190.44

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Solution

The fourth proportional to 674,873.91, 1,012,566.60 and 405,190.44 is: 607,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,873.91 : 1,012,566.60 = 405,190.44 : x
  2. Step 2: Convert to fraction form
    674,873.91/1,012,566.60 = 405,190.44/x
  3. Step 3: Cross multiply
    674,873.91x = 1,012,566.60 × 405,190.44
  4. Step 4: Simplify right side
    674,873.91x = 410,282,306,183.30
  5. Step 5: Solve for x
    x = 410,282,306,183.30/674,873.91
  6. Step 6: Final answer
    x = 607,939.20

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1.5x scale

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.