Finding the Fourth Proportional to 680,511.66, 937,533.87 and 489,193.98
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Solution
The fourth proportional to 680,511.66, 937,533.87 and 489,193.98 is: 673,957.48
Step by Step Solution
- Step 1: Write the proportion equation
680,511.66 : 937,533.87 = 489,193.98 : x - Step 2: Convert to fraction form
680,511.66/937,533.87 = 489,193.98/x - Step 3: Cross multiply
680,511.66x = 937,533.87 × 489,193.98 - Step 4: Simplify right side
680,511.66x = 458,635,925,250.10 - Step 5: Solve for x
x = 458,635,925,250.10/680,511.66 - Step 6: Final answer
x = 673,957.48
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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.