Finding the Fourth Proportional to 876,654.06, 1,209,770.76 and 489,475.44
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Solution
The fourth proportional to 876,654.06, 1,209,770.76 and 489,475.44 is: 675,469.49
Step by Step Solution
- Step 1: Write the proportion equation
876,654.06 : 1,209,770.76 = 489,475.44 : x - Step 2: Convert to fraction form
876,654.06/1,209,770.76 = 489,475.44/x - Step 3: Cross multiply
876,654.06x = 1,209,770.76 × 489,475.44 - Step 4: Simplify right side
876,654.06x = 592,153,075,050.13 - Step 5: Solve for x
x = 592,153,075,050.13/876,654.06 - Step 6: Final answer
x = 675,469.49
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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.