Home / 647,982.20-971,973.30-448,527.80

Finding the Fourth Proportional to 647,982.20, 971,973.30 and 448,527.80

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Solution

The fourth proportional to 647,982.20, 971,973.30 and 448,527.80 is: 672,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,982.20 : 971,973.30 = 448,527.80 : x
  2. Step 2: Convert to fraction form
    647,982.20/971,973.30 = 448,527.80/x
  3. Step 3: Cross multiply
    647,982.20x = 971,973.30 × 448,527.80
  4. Step 4: Simplify right side
    647,982.20x = 435,957,045,907.74
  5. Step 5: Solve for x
    x = 435,957,045,907.74/647,982.20
  6. Step 6: Final answer
    x = 672,791.70

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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.