Finding the Fourth Proportional to 747,799.39, 1,121,463.80 and 242,243.07
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Solution
The fourth proportional to 747,799.39, 1,121,463.80 and 242,243.07 is: 363,288.39
Step by Step Solution
- Step 1: Write the proportion equation
747,799.39 : 1,121,463.80 = 242,243.07 : x - Step 2: Convert to fraction form
747,799.39/1,121,463.80 = 242,243.07/x - Step 3: Cross multiply
747,799.39x = 1,121,463.80 × 242,243.07 - Step 4: Simplify right side
747,799.39x = 271,666,834,262.19 - Step 5: Solve for x
x = 271,666,834,262.19/747,799.39 - Step 6: Final answer
x = 363,288.39
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1.5x scale
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.