Finding the Fourth Proportional to 1,008,398.47, 1,511,682.17 and 503,113.99
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Solution
The fourth proportional to 1,008,398.47, 1,511,682.17 and 503,113.99 is: 754,214.20
Step by Step Solution
- Step 1: Write the proportion equation
1,008,398.47 : 1,511,682.17 = 503,113.99 : x - Step 2: Convert to fraction form
1,008,398.47/1,511,682.17 = 503,113.99/x - Step 3: Cross multiply
1,008,398.47x = 1,511,682.17 × 503,113.99 - Step 4: Simplify right side
1,008,398.47x = 760,548,441,859.93 - Step 5: Solve for x
x = 760,548,441,859.93/1,008,398.47 - Step 6: Final answer
x = 754,214.20
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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.