Home / 476,839.20-714,675.60-210,316.80

Finding the Fourth Proportional to 476,839.20, 714,675.60 and 210,316.80

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Solution

The fourth proportional to 476,839.20, 714,675.60 and 210,316.80 is: 315,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,839.20 : 714,675.60 = 210,316.80 : x
  2. Step 2: Convert to fraction form
    476,839.20/714,675.60 = 210,316.80/x
  3. Step 3: Cross multiply
    476,839.20x = 714,675.60 × 210,316.80
  4. Step 4: Simplify right side
    476,839.20x = 150,308,285,230.08
  5. Step 5: Solve for x
    x = 150,308,285,230.08/476,839.20
  6. Step 6: Final answer
    x = 315,217.97

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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.