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Finding the Fourth Proportional to 627,762.40, 940,414.80 and 377,701.60

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Solution

The fourth proportional to 627,762.40, 940,414.80 and 377,701.60 is: 565,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,762.40 : 940,414.80 = 377,701.60 : x
  2. Step 2: Convert to fraction form
    627,762.40/940,414.80 = 377,701.60/x
  3. Step 3: Cross multiply
    627,762.40x = 940,414.80 × 377,701.60
  4. Step 4: Simplify right side
    627,762.40x = 355,196,174,623.68
  5. Step 5: Solve for x
    x = 355,196,174,623.68/627,762.40
  6. Step 6: Final answer
    x = 565,813.08

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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.