Finding the Fourth Proportional to 874,879.61, 1,312,836.11 and 369,407.88
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Solution
The fourth proportional to 874,879.61, 1,312,836.11 and 369,407.88 is: 554,329.99
Step by Step Solution
- Step 1: Write the proportion equation
874,879.61 : 1,312,836.11 = 369,407.88 : x - Step 2: Convert to fraction form
874,879.61/1,312,836.11 = 369,407.88/x - Step 3: Cross multiply
874,879.61x = 1,312,836.11 × 369,407.88 - Step 4: Simplify right side
874,879.61x = 484,972,002,335.51 - Step 5: Solve for x
x = 484,972,002,335.51/874,879.61 - Step 6: Final answer
x = 554,329.99
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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.