Finding the Fourth Proportional to 881,769.13, 1,216,851.61 and 489,310.14
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Solution
The fourth proportional to 881,769.13, 1,216,851.61 and 489,310.14 is: 675,253.66
Step by Step Solution
- Step 1: Write the proportion equation
881,769.13 : 1,216,851.61 = 489,310.14 : x - Step 2: Convert to fraction form
881,769.13/1,216,851.61 = 489,310.14/x - Step 3: Cross multiply
881,769.13x = 1,216,851.61 × 489,310.14 - Step 4: Simplify right side
881,769.13x = 595,417,830,425.05 - Step 5: Solve for x
x = 595,417,830,425.05/881,769.13 - Step 6: Final answer
x = 675,253.66
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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.