Finding the Fourth Proportional to 820,779.66, 1,132,695.09 and 514,868.99
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Solution
The fourth proportional to 820,779.66, 1,132,695.09 and 514,868.99 is: 710,531.22
Step by Step Solution
- Step 1: Write the proportion equation
820,779.66 : 1,132,695.09 = 514,868.99 : x - Step 2: Convert to fraction form
820,779.66/1,132,695.09 = 514,868.99/x - Step 3: Cross multiply
820,779.66x = 1,132,695.09 × 514,868.99 - Step 4: Simplify right side
820,779.66x = 583,189,571,302.78 - Step 5: Solve for x
x = 583,189,571,302.78/820,779.66 - Step 6: Final answer
x = 710,531.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.