Home / 726,637.64-1,089,961.92-277,237.69

Finding the Fourth Proportional to 726,637.64, 1,089,961.92 and 277,237.69

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Solution

The fourth proportional to 726,637.64, 1,089,961.92 and 277,237.69 is: 415,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,637.64 : 1,089,961.92 = 277,237.69 : x
  2. Step 2: Convert to fraction form
    726,637.64/1,089,961.92 = 277,237.69/x
  3. Step 3: Cross multiply
    726,637.64x = 1,089,961.92 × 277,237.69
  4. Step 4: Simplify right side
    726,637.64x = 302,178,522,163.86
  5. Step 5: Solve for x
    x = 302,178,522,163.86/726,637.64
  6. Step 6: Final answer
    x = 415,858.62

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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.