Home / 759,223.62-1,047,687.48-419,670

Finding the Fourth Proportional to 759,223.62, 1,047,687.48 and 419,670

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Solution

The fourth proportional to 759,223.62, 1,047,687.48 and 419,670 is: 579,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,223.62 : 1,047,687.48 = 419,670 : x
  2. Step 2: Convert to fraction form
    759,223.62/1,047,687.48 = 419,670/x
  3. Step 3: Cross multiply
    759,223.62x = 1,047,687.48 × 419,670
  4. Step 4: Simplify right side
    759,223.62x = 439,683,004,731.60
  5. Step 5: Solve for x
    x = 439,683,004,731.60/759,223.62
  6. Step 6: Final answer
    x = 579,121.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.