Finding the Fourth Proportional to 857,745.84, 1,183,695 and 475,779.12
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Solution
The fourth proportional to 857,745.84, 1,183,695 and 475,779.12 is: 656,578.37
Step by Step Solution
- Step 1: Write the proportion equation
857,745.84 : 1,183,695 = 475,779.12 : x - Step 2: Convert to fraction form
857,745.84/1,183,695 = 475,779.12/x - Step 3: Cross multiply
857,745.84x = 1,183,695 × 475,779.12 - Step 4: Simplify right side
857,745.84x = 563,177,365,448.40 - Step 5: Solve for x
x = 563,177,365,448.40/857,745.84 - Step 6: Final answer
x = 656,578.37
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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.