Finding the Fourth Proportional to 864,753.14, 1,193,360.37 and 482,779.70
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Solution
The fourth proportional to 864,753.14, 1,193,360.37 and 482,779.70 is: 666,236.56
Step by Step Solution
- Step 1: Write the proportion equation
864,753.14 : 1,193,360.37 = 482,779.70 : x - Step 2: Convert to fraction form
864,753.14/1,193,360.37 = 482,779.70/x - Step 3: Cross multiply
864,753.14x = 1,193,360.37 × 482,779.70 - Step 4: Simplify right side
864,753.14x = 576,130,161,420.49 - Step 5: Solve for x
x = 576,130,161,420.49/864,753.14 - Step 6: Final answer
x = 666,236.56
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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.