Finding the Fourth Proportional to 519,876.63, 779,761.08 and 352,472.31
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Solution
The fourth proportional to 519,876.63, 779,761.08 and 352,472.31 is: 528,671.94
Step by Step Solution
- Step 1: Write the proportion equation
519,876.63 : 779,761.08 = 352,472.31 : x - Step 2: Convert to fraction form
519,876.63/779,761.08 = 352,472.31/x - Step 3: Cross multiply
519,876.63x = 779,761.08 × 352,472.31 - Step 4: Simplify right side
519,876.63x = 274,844,189,115.70 - Step 5: Solve for x
x = 274,844,189,115.70/519,876.63 - Step 6: Final answer
x = 528,671.94
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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.