Finding the Fourth Proportional to 747,745.36, 1,031,766.84 and 441,779.44
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Solution
The fourth proportional to 747,745.36, 1,031,766.84 and 441,779.44 is: 609,583.69
Step by Step Solution
- Step 1: Write the proportion equation
747,745.36 : 1,031,766.84 = 441,779.44 : x - Step 2: Convert to fraction form
747,745.36/1,031,766.84 = 441,779.44/x - Step 3: Cross multiply
747,745.36x = 1,031,766.84 × 441,779.44 - Step 4: Simplify right side
747,745.36x = 455,813,376,785.77 - Step 5: Solve for x
x = 455,813,376,785.77/747,745.36 - Step 6: Final answer
x = 609,583.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.