Home / 460,281.06-635,384.25-309,465.54

Finding the Fourth Proportional to 460,281.06, 635,384.25 and 309,465.54

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Solution

The fourth proportional to 460,281.06, 635,384.25 and 309,465.54 is: 427,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,281.06 : 635,384.25 = 309,465.54 : x
  2. Step 2: Convert to fraction form
    460,281.06/635,384.25 = 309,465.54/x
  3. Step 3: Cross multiply
    460,281.06x = 635,384.25 × 309,465.54
  4. Step 4: Simplify right side
    460,281.06x = 196,629,530,033.75
  5. Step 5: Solve for x
    x = 196,629,530,033.75/460,281.06
  6. Step 6: Final answer
    x = 427,194.48

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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.