Finding the Fourth Proportional to 781,702.14, 1,078,738.37 and 437,537.98
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Solution
The fourth proportional to 781,702.14, 1,078,738.37 and 437,537.98 is: 603,796.49
Step by Step Solution
- Step 1: Write the proportion equation
781,702.14 : 1,078,738.37 = 437,537.98 : x - Step 2: Convert to fraction form
781,702.14/1,078,738.37 = 437,537.98/x - Step 3: Cross multiply
781,702.14x = 1,078,738.37 × 437,537.98 - Step 4: Simplify right side
781,702.14x = 471,989,005,755.29 - Step 5: Solve for x
x = 471,989,005,755.29/781,702.14 - Step 6: Final answer
x = 603,796.49
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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.