Home / 800,435.89-1,200,930.32-302,080.69

Finding the Fourth Proportional to 800,435.89, 1,200,930.32 and 302,080.69

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Solution

The fourth proportional to 800,435.89, 1,200,930.32 and 302,080.69 is: 453,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,435.89 : 1,200,930.32 = 302,080.69 : x
  2. Step 2: Convert to fraction form
    800,435.89/1,200,930.32 = 302,080.69/x
  3. Step 3: Cross multiply
    800,435.89x = 1,200,930.32 × 302,080.69
  4. Step 4: Simplify right side
    800,435.89x = 362,777,859,707.52
  5. Step 5: Solve for x
    x = 362,777,859,707.52/800,435.89
  6. Step 6: Final answer
    x = 453,225.38

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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.