Finding the Fourth Proportional to 854,663.28, 1,281,521.62 and 349,578.92
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Solution
The fourth proportional to 854,663.28, 1,281,521.62 and 349,578.92 is: 524,174.79
Step by Step Solution
- Step 1: Write the proportion equation
854,663.28 : 1,281,521.62 = 349,578.92 : x - Step 2: Convert to fraction form
854,663.28/1,281,521.62 = 349,578.92/x - Step 3: Cross multiply
854,663.28x = 1,281,521.62 × 349,578.92 - Step 4: Simplify right side
854,663.28x = 447,992,943,876.25 - Step 5: Solve for x
x = 447,992,943,876.25/854,663.28 - Step 6: Final answer
x = 524,174.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.