Finding the Fourth Proportional to 966,408.84, 1,449,611.91 and 405,443.34
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Solution
The fourth proportional to 966,408.84, 1,449,611.91 and 405,443.34 is: 608,164.44
Step by Step Solution
- Step 1: Write the proportion equation
966,408.84 : 1,449,611.91 = 405,443.34 : x - Step 2: Convert to fraction form
966,408.84/1,449,611.91 = 405,443.34/x - Step 3: Cross multiply
966,408.84x = 1,449,611.91 × 405,443.34 - Step 4: Simplify right side
966,408.84x = 587,735,494,494.18 - Step 5: Solve for x
x = 587,735,494,494.18/966,408.84 - Step 6: Final answer
x = 608,164.44
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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.