Home / 726,807.40-1,090,652.23-271,729.96

Finding the Fourth Proportional to 726,807.40, 1,090,652.23 and 271,729.96

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Solution

The fourth proportional to 726,807.40, 1,090,652.23 and 271,729.96 is: 407,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,807.40 : 1,090,652.23 = 271,729.96 : x
  2. Step 2: Convert to fraction form
    726,807.40/1,090,652.23 = 271,729.96/x
  3. Step 3: Cross multiply
    726,807.40x = 1,090,652.23 × 271,729.96
  4. Step 4: Simplify right side
    726,807.40x = 296,362,886,831.81
  5. Step 5: Solve for x
    x = 296,362,886,831.81/726,807.40
  6. Step 6: Final answer
    x = 407,759.86

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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.