Finding the Fourth Proportional to 757,752.18, 1,045,695.86 and 418,218
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Solution
The fourth proportional to 757,752.18, 1,045,695.86 and 418,218 is: 577,139.65
Step by Step Solution
- Step 1: Write the proportion equation
757,752.18 : 1,045,695.86 = 418,218 : x - Step 2: Convert to fraction form
757,752.18/1,045,695.86 = 418,218/x - Step 3: Cross multiply
757,752.18x = 1,045,695.86 × 418,218 - Step 4: Simplify right side
757,752.18x = 437,328,831,177.48 - Step 5: Solve for x
x = 437,328,831,177.48/757,752.18 - Step 6: Final answer
x = 577,139.65
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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.