Finding the Fourth Proportional to 994,347.68, 1,372,192.80 and 541,638.68
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Solution
The fourth proportional to 994,347.68, 1,372,192.80 and 541,638.68 is: 747,457.57
Step by Step Solution
- Step 1: Write the proportion equation
994,347.68 : 1,372,192.80 = 541,638.68 : x - Step 2: Convert to fraction form
994,347.68/1,372,192.80 = 541,638.68/x - Step 3: Cross multiply
994,347.68x = 1,372,192.80 × 541,638.68 - Step 4: Simplify right side
994,347.68x = 743,232,696,897.50 - Step 5: Solve for x
x = 743,232,696,897.50/994,347.68 - Step 6: Final answer
x = 747,457.57
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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.