Finding the Fourth Proportional to 678,939.58, 936,952.26 and 373,035.06
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Solution
The fourth proportional to 678,939.58, 936,952.26 and 373,035.06 is: 514,796.98
Step by Step Solution
- Step 1: Write the proportion equation
678,939.58 : 936,952.26 = 373,035.06 : x - Step 2: Convert to fraction form
678,939.58/936,952.26 = 373,035.06/x - Step 3: Cross multiply
678,939.58x = 936,952.26 × 373,035.06 - Step 4: Simplify right side
678,939.58x = 349,516,042,526.24 - Step 5: Solve for x
x = 349,516,042,526.24/678,939.58 - Step 6: Final answer
x = 514,796.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.