Home / 434,425.80-651,638.70-360,942.60

Finding the Fourth Proportional to 434,425.80, 651,638.70 and 360,942.60

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Solution

The fourth proportional to 434,425.80, 651,638.70 and 360,942.60 is: 541,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,425.80 : 651,638.70 = 360,942.60 : x
  2. Step 2: Convert to fraction form
    434,425.80/651,638.70 = 360,942.60/x
  3. Step 3: Cross multiply
    434,425.80x = 651,638.70 × 360,942.60
  4. Step 4: Simplify right side
    434,425.80x = 235,204,166,638.62
  5. Step 5: Solve for x
    x = 235,204,166,638.62/434,425.80
  6. Step 6: Final answer
    x = 541,413.90

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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.