Home / 684,513.45-1,025,198.08-341,905.27

Finding the Fourth Proportional to 684,513.45, 1,025,198.08 and 341,905.27

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Solution

The fourth proportional to 684,513.45, 1,025,198.08 and 341,905.27 is: 512,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,513.45 : 1,025,198.08 = 341,905.27 : x
  2. Step 2: Convert to fraction form
    684,513.45/1,025,198.08 = 341,905.27/x
  3. Step 3: Cross multiply
    684,513.45x = 1,025,198.08 × 341,905.27
  4. Step 4: Simplify right side
    684,513.45x = 350,520,622,928.12
  5. Step 5: Solve for x
    x = 350,520,622,928.12/684,513.45
  6. Step 6: Final answer
    x = 512,072.66

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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.