Finding the Fourth Proportional to 914,310.21, 1,261,692.62 and 506,387.63
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Solution
The fourth proportional to 914,310.21, 1,261,692.62 and 506,387.63 is: 698,784.20
Step by Step Solution
- Step 1: Write the proportion equation
914,310.21 : 1,261,692.62 = 506,387.63 : x - Step 2: Convert to fraction form
914,310.21/1,261,692.62 = 506,387.63/x - Step 3: Cross multiply
914,310.21x = 1,261,692.62 × 506,387.63 - Step 4: Simplify right side
914,310.21x = 638,905,526,789.89 - Step 5: Solve for x
x = 638,905,526,789.89/914,310.21 - Step 6: Final answer
x = 698,784.20
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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.