Home / 740,831.60-1,111,247.40-729,021.80

Finding the Fourth Proportional to 740,831.60, 1,111,247.40 and 729,021.80

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Solution

The fourth proportional to 740,831.60, 1,111,247.40 and 729,021.80 is: 1,093,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,831.60 : 1,111,247.40 = 729,021.80 : x
  2. Step 2: Convert to fraction form
    740,831.60/1,111,247.40 = 729,021.80/x
  3. Step 3: Cross multiply
    740,831.60x = 1,111,247.40 × 729,021.80
  4. Step 4: Simplify right side
    740,831.60x = 810,123,579,793.32
  5. Step 5: Solve for x
    x = 810,123,579,793.32/740,831.60
  6. Step 6: Final answer
    x = 1,093,532.70

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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.