Home / 647,460.24-971,290.22-220,896.15

Finding the Fourth Proportional to 647,460.24, 971,290.22 and 220,896.15

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Solution

The fourth proportional to 647,460.24, 971,290.22 and 220,896.15 is: 331,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,460.24 : 971,290.22 = 220,896.15 : x
  2. Step 2: Convert to fraction form
    647,460.24/971,290.22 = 220,896.15/x
  3. Step 3: Cross multiply
    647,460.24x = 971,290.22 × 220,896.15
  4. Step 4: Simplify right side
    647,460.24x = 214,554,269,026.17
  5. Step 5: Solve for x
    x = 214,554,269,026.17/647,460.24
  6. Step 6: Final answer
    x = 331,378.29

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1.5x scale

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.