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Finding the Fourth Proportional to 441,107.60, 661,661.40 and 402,400.40

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Solution

The fourth proportional to 441,107.60, 661,661.40 and 402,400.40 is: 603,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,107.60 : 661,661.40 = 402,400.40 : x
  2. Step 2: Convert to fraction form
    441,107.60/661,661.40 = 402,400.40/x
  3. Step 3: Cross multiply
    441,107.60x = 661,661.40 × 402,400.40
  4. Step 4: Simplify right side
    441,107.60x = 266,252,812,024.56
  5. Step 5: Solve for x
    x = 266,252,812,024.56/441,107.60
  6. Step 6: Final answer
    x = 603,600.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.