Home / 691,379.40-1,036,896.30-264,822.60

Finding the Fourth Proportional to 691,379.40, 1,036,896.30 and 264,822.60

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Solution

The fourth proportional to 691,379.40, 1,036,896.30 and 264,822.60 is: 397,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,379.40 : 1,036,896.30 = 264,822.60 : x
  2. Step 2: Convert to fraction form
    691,379.40/1,036,896.30 = 264,822.60/x
  3. Step 3: Cross multiply
    691,379.40x = 1,036,896.30 × 264,822.60
  4. Step 4: Simplify right side
    691,379.40x = 274,593,574,096.38
  5. Step 5: Solve for x
    x = 274,593,574,096.38/691,379.40
  6. Step 6: Final answer
    x = 397,167.71

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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.