Finding the Fourth Proportional to 749,311.36, 1,122,783.36 and 608,381.44
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Solution
The fourth proportional to 749,311.36, 1,122,783.36 and 608,381.44 is: 911,611.11
Step by Step Solution
- Step 1: Write the proportion equation
749,311.36 : 1,122,783.36 = 608,381.44 : x - Step 2: Convert to fraction form
749,311.36/1,122,783.36 = 608,381.44/x - Step 3: Cross multiply
749,311.36x = 1,122,783.36 × 608,381.44 - Step 4: Simplify right side
749,311.36x = 683,080,557,364.84 - Step 5: Solve for x
x = 683,080,557,364.84/749,311.36 - Step 6: Final answer
x = 911,611.11
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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.