Home / 990,181.83-1,483,942.32-540,228.45

Finding the Fourth Proportional to 990,181.83, 1,483,942.32 and 540,228.45

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Solution

The fourth proportional to 990,181.83, 1,483,942.32 and 540,228.45 is: 809,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,181.83 : 1,483,942.32 = 540,228.45 : x
  2. Step 2: Convert to fraction form
    990,181.83/1,483,942.32 = 540,228.45/x
  3. Step 3: Cross multiply
    990,181.83x = 1,483,942.32 × 540,228.45
  4. Step 4: Simplify right side
    990,181.83x = 801,667,859,423.00
  5. Step 5: Solve for x
    x = 801,667,859,423.00/990,181.83
  6. Step 6: Final answer
    x = 809,616.81

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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.