Home / 809,310.84-1,214,098.20-303,911.16

Finding the Fourth Proportional to 809,310.84, 1,214,098.20 and 303,911.16

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Solution

The fourth proportional to 809,310.84, 1,214,098.20 and 303,911.16 is: 455,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,310.84 : 1,214,098.20 = 303,911.16 : x
  2. Step 2: Convert to fraction form
    809,310.84/1,214,098.20 = 303,911.16/x
  3. Step 3: Cross multiply
    809,310.84x = 1,214,098.20 × 303,911.16
  4. Step 4: Simplify right side
    809,310.84x = 368,977,992,315.91
  5. Step 5: Solve for x
    x = 368,977,992,315.91/809,310.84
  6. Step 6: Final answer
    x = 455,916.29

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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.