Home / 746,010.42-1,119,126.78-266,200.80

Finding the Fourth Proportional to 746,010.42, 1,119,126.78 and 266,200.80

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Solution

The fourth proportional to 746,010.42, 1,119,126.78 and 266,200.80 is: 399,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,010.42 : 1,119,126.78 = 266,200.80 : x
  2. Step 2: Convert to fraction form
    746,010.42/1,119,126.78 = 266,200.80/x
  3. Step 3: Cross multiply
    746,010.42x = 1,119,126.78 × 266,200.80
  4. Step 4: Simplify right side
    746,010.42x = 297,912,444,137.42
  5. Step 5: Solve for x
    x = 297,912,444,137.42/746,010.42
  6. Step 6: Final answer
    x = 399,340.86

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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.