Home / 647,827.40-971,755.68-268,805.72

Finding the Fourth Proportional to 647,827.40, 971,755.68 and 268,805.72

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Solution

The fourth proportional to 647,827.40, 971,755.68 and 268,805.72 is: 403,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,827.40 : 971,755.68 = 268,805.72 : x
  2. Step 2: Convert to fraction form
    647,827.40/971,755.68 = 268,805.72/x
  3. Step 3: Cross multiply
    647,827.40x = 971,755.68 × 268,805.72
  4. Step 4: Simplify right side
    647,827.40x = 261,213,485,226.49
  5. Step 5: Solve for x
    x = 261,213,485,226.49/647,827.40
  6. Step 6: Final answer
    x = 403,214.63

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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.