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Finding the Fourth Proportional to 737,800.40, 1,018,202.46 and 451,230.50

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Solution

The fourth proportional to 737,800.40, 1,018,202.46 and 451,230.50 is: 622,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,800.40 : 1,018,202.46 = 451,230.50 : x
  2. Step 2: Convert to fraction form
    737,800.40/1,018,202.46 = 451,230.50/x
  3. Step 3: Cross multiply
    737,800.40x = 1,018,202.46 × 451,230.50
  4. Step 4: Simplify right side
    737,800.40x = 459,444,005,127.03
  5. Step 5: Solve for x
    x = 459,444,005,127.03/737,800.40
  6. Step 6: Final answer
    x = 622,721.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.