Finding the Fourth Proportional to 844,441.79, 1,266,876.56 and 245,390.09
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Solution
The fourth proportional to 844,441.79, 1,266,876.56 and 245,390.09 is: 368,147.29
Step by Step Solution
- Step 1: Write the proportion equation
844,441.79 : 1,266,876.56 = 245,390.09 : x - Step 2: Convert to fraction form
844,441.79/1,266,876.56 = 245,390.09/x - Step 3: Cross multiply
844,441.79x = 1,266,876.56 × 245,390.09 - Step 4: Simplify right side
844,441.79x = 310,878,955,017.53 - Step 5: Solve for x
x = 310,878,955,017.53/844,441.79 - Step 6: Final answer
x = 368,147.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.