Finding the Fourth Proportional to 832,461.27, 1,248,186.26 and 326,415.98
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Solution
The fourth proportional to 832,461.27, 1,248,186.26 and 326,415.98 is: 489,425.70
Step by Step Solution
- Step 1: Write the proportion equation
832,461.27 : 1,248,186.26 = 326,415.98 : x - Step 2: Convert to fraction form
832,461.27/1,248,186.26 = 326,415.98/x - Step 3: Cross multiply
832,461.27x = 1,248,186.26 × 326,415.98 - Step 4: Simplify right side
832,461.27x = 407,427,936,359.80 - Step 5: Solve for x
x = 407,427,936,359.80/832,461.27 - Step 6: Final answer
x = 489,425.70
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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.