Finding the Fourth Proportional to 579,274.09, 867,779.93 and 275,235.57
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Solution
The fourth proportional to 579,274.09, 867,779.93 and 275,235.57 is: 412,315.88
Step by Step Solution
- Step 1: Write the proportion equation
579,274.09 : 867,779.93 = 275,235.57 : x - Step 2: Convert to fraction form
579,274.09/867,779.93 = 275,235.57/x - Step 3: Cross multiply
579,274.09x = 867,779.93 × 275,235.57 - Step 4: Simplify right side
579,274.09x = 238,843,904,356.20 - Step 5: Solve for x
x = 238,843,904,356.20/579,274.09 - Step 6: Final answer
x = 412,315.88
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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.