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Finding the Fourth Proportional to 647,515.70, 971,273.55 and 362,914.10

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Solution

The fourth proportional to 647,515.70, 971,273.55 and 362,914.10 is: 544,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,515.70 : 971,273.55 = 362,914.10 : x
  2. Step 2: Convert to fraction form
    647,515.70/971,273.55 = 362,914.10/x
  3. Step 3: Cross multiply
    647,515.70x = 971,273.55 × 362,914.10
  4. Step 4: Simplify right side
    647,515.70x = 352,488,866,252.06
  5. Step 5: Solve for x
    x = 352,488,866,252.06/647,515.70
  6. Step 6: Final answer
    x = 544,371.15

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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.