Finding the Fourth Proportional to 715,754.27, 1,073,603.36 and 242,439.62
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Solution
The fourth proportional to 715,754.27, 1,073,603.36 and 242,439.62 is: 363,649.92
Step by Step Solution
- Step 1: Write the proportion equation
715,754.27 : 1,073,603.36 = 242,439.62 : x - Step 2: Convert to fraction form
715,754.27/1,073,603.36 = 242,439.62/x - Step 3: Cross multiply
715,754.27x = 1,073,603.36 × 242,439.62 - Step 4: Simplify right side
715,754.27x = 260,283,985,867.21 - Step 5: Solve for x
x = 260,283,985,867.21/715,754.27 - Step 6: Final answer
x = 363,649.92
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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.