Home / 726,623.72-1,089,228.44-347,446.52

Finding the Fourth Proportional to 726,623.72, 1,089,228.44 and 347,446.52

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Solution

The fourth proportional to 726,623.72, 1,089,228.44 and 347,446.52 is: 520,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,623.72 : 1,089,228.44 = 347,446.52 : x
  2. Step 2: Convert to fraction form
    726,623.72/1,089,228.44 = 347,446.52/x
  3. Step 3: Cross multiply
    726,623.72x = 1,089,228.44 × 347,446.52
  4. Step 4: Simplify right side
    726,623.72x = 378,448,634,554.72
  5. Step 5: Solve for x
    x = 378,448,634,554.72/726,623.72
  6. Step 6: Final answer
    x = 520,831.65

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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.