Finding the Fourth Proportional to 913,969.44, 1,371,234.42 and 408,955.50
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Solution
The fourth proportional to 913,969.44, 1,371,234.42 and 408,955.50 is: 613,558.65
Step by Step Solution
- Step 1: Write the proportion equation
913,969.44 : 1,371,234.42 = 408,955.50 : x - Step 2: Convert to fraction form
913,969.44/1,371,234.42 = 408,955.50/x - Step 3: Cross multiply
913,969.44x = 1,371,234.42 × 408,955.50 - Step 4: Simplify right side
913,969.44x = 560,773,857,848.31 - Step 5: Solve for x
x = 560,773,857,848.31/913,969.44 - Step 6: Final answer
x = 613,558.65
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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.