Finding the Fourth Proportional to 561,576.44, 774,975.40 and 306,927.63
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Solution
The fourth proportional to 561,576.44, 774,975.40 and 306,927.63 is: 423,560.08
Step by Step Solution
- Step 1: Write the proportion equation
561,576.44 : 774,975.40 = 306,927.63 : x - Step 2: Convert to fraction form
561,576.44/774,975.40 = 306,927.63/x - Step 3: Cross multiply
561,576.44x = 774,975.40 × 306,927.63 - Step 4: Simplify right side
561,576.44x = 237,861,362,062.98 - Step 5: Solve for x
x = 237,861,362,062.98/561,576.44 - Step 6: Final answer
x = 423,560.08
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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.