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Finding the Fourth Proportional to 603,272.46, 903,530.52 and 287,950.80

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Solution

The fourth proportional to 603,272.46, 903,530.52 and 287,950.80 is: 431,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,272.46 : 903,530.52 = 287,950.80 : x
  2. Step 2: Convert to fraction form
    603,272.46/903,530.52 = 287,950.80/x
  3. Step 3: Cross multiply
    603,272.46x = 903,530.52 × 287,950.80
  4. Step 4: Simplify right side
    603,272.46x = 260,172,336,058.42
  5. Step 5: Solve for x
    x = 260,172,336,058.42/603,272.46
  6. Step 6: Final answer
    x = 431,268.38

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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.