Home / 434,626.80-651,940.20-396,135.60

Finding the Fourth Proportional to 434,626.80, 651,940.20 and 396,135.60

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Solution

The fourth proportional to 434,626.80, 651,940.20 and 396,135.60 is: 594,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,626.80 : 651,940.20 = 396,135.60 : x
  2. Step 2: Convert to fraction form
    434,626.80/651,940.20 = 396,135.60/x
  3. Step 3: Cross multiply
    434,626.80x = 651,940.20 × 396,135.60
  4. Step 4: Simplify right side
    434,626.80x = 258,256,722,291.12
  5. Step 5: Solve for x
    x = 258,256,722,291.12/434,626.80
  6. Step 6: Final answer
    x = 594,203.40

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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.