Home / 476,839.70-714,676.35-210,317.30

Finding the Fourth Proportional to 476,839.70, 714,676.35 and 210,317.30

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Solution

The fourth proportional to 476,839.70, 714,676.35 and 210,317.30 is: 315,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,839.70 : 714,676.35 = 210,317.30 : x
  2. Step 2: Convert to fraction form
    476,839.70/714,676.35 = 210,317.30/x
  3. Step 3: Cross multiply
    476,839.70x = 714,676.35 × 210,317.30
  4. Step 4: Simplify right side
    476,839.70x = 150,308,800,305.86
  5. Step 5: Solve for x
    x = 150,308,800,305.86/476,839.70
  6. Step 6: Final answer
    x = 315,218.72

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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.