Home / 827,632.60-1,241,333.70-266,723.80

Finding the Fourth Proportional to 827,632.60, 1,241,333.70 and 266,723.80

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Solution

The fourth proportional to 827,632.60, 1,241,333.70 and 266,723.80 is: 400,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,632.60 : 1,241,333.70 = 266,723.80 : x
  2. Step 2: Convert to fraction form
    827,632.60/1,241,333.70 = 266,723.80/x
  3. Step 3: Cross multiply
    827,632.60x = 1,241,333.70 × 266,723.80
  4. Step 4: Simplify right side
    827,632.60x = 331,093,241,532.06
  5. Step 5: Solve for x
    x = 331,093,241,532.06/827,632.60
  6. Step 6: Final answer
    x = 400,048.57

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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.