Home / 726,256.94-1,089,446.39-220,822.31

Finding the Fourth Proportional to 726,256.94, 1,089,446.39 and 220,822.31

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Solution

The fourth proportional to 726,256.94, 1,089,446.39 and 220,822.31 is: 331,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,256.94 : 1,089,446.39 = 220,822.31 : x
  2. Step 2: Convert to fraction form
    726,256.94/1,089,446.39 = 220,822.31/x
  3. Step 3: Cross multiply
    726,256.94x = 1,089,446.39 × 220,822.31
  4. Step 4: Simplify right side
    726,256.94x = 240,574,068,460.96
  5. Step 5: Solve for x
    x = 240,574,068,460.96/726,256.94
  6. Step 6: Final answer
    x = 331,252.01

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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.