Finding the Fourth Proportional to 1,087,326.99, 1,631,245.64 and 329,174.28
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Solution
The fourth proportional to 1,087,326.99, 1,631,245.64 and 329,174.28 is: 493,838.66
Step by Step Solution
- Step 1: Write the proportion equation
1,087,326.99 : 1,631,245.64 = 329,174.28 : x - Step 2: Convert to fraction form
1,087,326.99/1,631,245.64 = 329,174.28/x - Step 3: Cross multiply
1,087,326.99x = 1,631,245.64 × 329,174.28 - Step 4: Simplify right side
1,087,326.99x = 536,964,107,404.27 - Step 5: Solve for x
x = 536,964,107,404.27/1,087,326.99 - Step 6: Final answer
x = 493,838.66
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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.