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Finding the Fourth Proportional to 503,271.09, 753,740.24 and 303,154.11

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Solution

The fourth proportional to 503,271.09, 753,740.24 and 303,154.11 is: 454,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,271.09 : 753,740.24 = 303,154.11 : x
  2. Step 2: Convert to fraction form
    503,271.09/753,740.24 = 303,154.11/x
  3. Step 3: Cross multiply
    503,271.09x = 753,740.24 × 303,154.11
  4. Step 4: Simplify right side
    503,271.09x = 228,499,450,112.62
  5. Step 5: Solve for x
    x = 228,499,450,112.62/503,271.09
  6. Step 6: Final answer
    x = 454,028.56

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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.