Home / 476,841.20-714,678.60-210,318.80

Finding the Fourth Proportional to 476,841.20, 714,678.60 and 210,318.80

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Solution

The fourth proportional to 476,841.20, 714,678.60 and 210,318.80 is: 315,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,841.20 : 714,678.60 = 210,318.80 : x
  2. Step 2: Convert to fraction form
    476,841.20/714,678.60 = 210,318.80/x
  3. Step 3: Cross multiply
    476,841.20x = 714,678.60 × 210,318.80
  4. Step 4: Simplify right side
    476,841.20x = 150,310,345,537.68
  5. Step 5: Solve for x
    x = 150,310,345,537.68/476,841.20
  6. Step 6: Final answer
    x = 315,220.97

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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.