Home / 740,814.60-1,111,221.90-729,004.80

Finding the Fourth Proportional to 740,814.60, 1,111,221.90 and 729,004.80

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Solution

The fourth proportional to 740,814.60, 1,111,221.90 and 729,004.80 is: 1,093,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,814.60 : 1,111,221.90 = 729,004.80 : x
  2. Step 2: Convert to fraction form
    740,814.60/1,111,221.90 = 729,004.80/x
  3. Step 3: Cross multiply
    740,814.60x = 1,111,221.90 × 729,004.80
  4. Step 4: Simplify right side
    740,814.60x = 810,086,098,965.12
  5. Step 5: Solve for x
    x = 810,086,098,965.12/740,814.60
  6. Step 6: Final answer
    x = 1,093,507.20

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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.