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Finding the Fourth Proportional to 644,594.99, 966,560.49 and 289,304.43

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Solution

The fourth proportional to 644,594.99, 966,560.49 and 289,304.43 is: 433,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,594.99 : 966,560.49 = 289,304.43 : x
  2. Step 2: Convert to fraction form
    644,594.99/966,560.49 = 289,304.43/x
  3. Step 3: Cross multiply
    644,594.99x = 966,560.49 × 289,304.43
  4. Step 4: Simplify right side
    644,594.99x = 279,630,230,173.45
  5. Step 5: Solve for x
    x = 279,630,230,173.45/644,594.99
  6. Step 6: Final answer
    x = 433,807.64

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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.