Home / 862,039.94-1,189,529.96-480,102.26

Finding the Fourth Proportional to 862,039.94, 1,189,529.96 and 480,102.26

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Solution

The fourth proportional to 862,039.94, 1,189,529.96 and 480,102.26 is: 662,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,039.94 : 1,189,529.96 = 480,102.26 : x
  2. Step 2: Convert to fraction form
    862,039.94/1,189,529.96 = 480,102.26/x
  3. Step 3: Cross multiply
    862,039.94x = 1,189,529.96 × 480,102.26
  4. Step 4: Simplify right side
    862,039.94x = 571,096,022,133.71
  5. Step 5: Solve for x
    x = 571,096,022,133.71/862,039.94
  6. Step 6: Final answer
    x = 662,493.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.