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Finding the Fourth Proportional to 647,384.68, 966,283.25 and 607,493.80

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Solution

The fourth proportional to 647,384.68, 966,283.25 and 607,493.80 is: 906,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,384.68 : 966,283.25 = 607,493.80 : x
  2. Step 2: Convert to fraction form
    647,384.68/966,283.25 = 607,493.80/x
  3. Step 3: Cross multiply
    647,384.68x = 966,283.25 × 607,493.80
  4. Step 4: Simplify right side
    647,384.68x = 587,011,083,418.85
  5. Step 5: Solve for x
    x = 587,011,083,418.85/647,384.68
  6. Step 6: Final answer
    x = 906,742.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.