Home / 827,004.60-1,240,506.90-266,095.80

Finding the Fourth Proportional to 827,004.60, 1,240,506.90 and 266,095.80

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Solution

The fourth proportional to 827,004.60, 1,240,506.90 and 266,095.80 is: 399,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,004.60 : 1,240,506.90 = 266,095.80 : x
  2. Step 2: Convert to fraction form
    827,004.60/1,240,506.90 = 266,095.80/x
  3. Step 3: Cross multiply
    827,004.60x = 1,240,506.90 × 266,095.80
  4. Step 4: Simplify right side
    827,004.60x = 330,093,675,961.02
  5. Step 5: Solve for x
    x = 330,093,675,961.02/827,004.60
  6. Step 6: Final answer
    x = 399,143.70

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Similar ratio
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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.