Finding the Fourth Proportional to 694,226.21, 1,040,656.04 and 405,671.63
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Solution
The fourth proportional to 694,226.21, 1,040,656.04 and 405,671.63 is: 608,108.17
Step by Step Solution
- Step 1: Write the proportion equation
694,226.21 : 1,040,656.04 = 405,671.63 : x - Step 2: Convert to fraction form
694,226.21/1,040,656.04 = 405,671.63/x - Step 3: Cross multiply
694,226.21x = 1,040,656.04 × 405,671.63 - Step 4: Simplify right side
694,226.21x = 422,164,624,784.51 - Step 5: Solve for x
x = 422,164,624,784.51/694,226.21 - Step 6: Final answer
x = 608,108.17
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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.