Home / 759,311.73-1,140,739.07-443,990.07

Finding the Fourth Proportional to 759,311.73, 1,140,739.07 and 443,990.07

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Solution

The fourth proportional to 759,311.73, 1,140,739.07 and 443,990.07 is: 667,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,311.73 : 1,140,739.07 = 443,990.07 : x
  2. Step 2: Convert to fraction form
    759,311.73/1,140,739.07 = 443,990.07/x
  3. Step 3: Cross multiply
    759,311.73x = 1,140,739.07 × 443,990.07
  4. Step 4: Simplify right side
    759,311.73x = 506,476,817,321.09
  5. Step 5: Solve for x
    x = 506,476,817,321.09/759,311.73
  6. Step 6: Final answer
    x = 667,020.93

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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.