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Finding the Fourth Proportional to 603,271.46, 903,529.02 and 287,949.80

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Solution

The fourth proportional to 603,271.46, 903,529.02 and 287,949.80 is: 431,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,271.46 : 903,529.02 = 287,949.80 : x
  2. Step 2: Convert to fraction form
    603,271.46/903,529.02 = 287,949.80/x
  3. Step 3: Cross multiply
    603,271.46x = 903,529.02 × 287,949.80
  4. Step 4: Simplify right side
    603,271.46x = 260,171,000,603.20
  5. Step 5: Solve for x
    x = 260,171,000,603.20/603,271.46
  6. Step 6: Final answer
    x = 431,266.88

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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.