Finding the Fourth Proportional to 756,973.94, 1,135,436.18 and 307,561.90
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Solution
The fourth proportional to 756,973.94, 1,135,436.18 and 307,561.90 is: 461,332.80
Step by Step Solution
- Step 1: Write the proportion equation
756,973.94 : 1,135,436.18 = 307,561.90 : x - Step 2: Convert to fraction form
756,973.94/1,135,436.18 = 307,561.90/x - Step 3: Cross multiply
756,973.94x = 1,135,436.18 × 307,561.90 - Step 4: Simplify right side
756,973.94x = 349,216,908,849.54 - Step 5: Solve for x
x = 349,216,908,849.54/756,973.94 - Step 6: Final answer
x = 461,332.80
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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.