Finding the Fourth Proportional to 977,473.44, 1,348,845.21 and 541,886.49
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Solution
The fourth proportional to 977,473.44, 1,348,845.21 and 541,886.49 is: 747,765.58
Step by Step Solution
- Step 1: Write the proportion equation
977,473.44 : 1,348,845.21 = 541,886.49 : x - Step 2: Convert to fraction form
977,473.44/1,348,845.21 = 541,886.49/x - Step 3: Cross multiply
977,473.44x = 1,348,845.21 × 541,886.49 - Step 4: Simplify right side
977,473.44x = 730,920,996,400.21 - Step 5: Solve for x
x = 730,920,996,400.21/977,473.44 - Step 6: Final answer
x = 747,765.58
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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.