Finding the Fourth Proportional to 998,633.99, 1,497,961.89 and 288,668.18
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Solution
The fourth proportional to 998,633.99, 1,497,961.89 and 288,668.18 is: 433,005.42
Step by Step Solution
- Step 1: Write the proportion equation
998,633.99 : 1,497,961.89 = 288,668.18 : x - Step 2: Convert to fraction form
998,633.99/1,497,961.89 = 288,668.18/x - Step 3: Cross multiply
998,633.99x = 1,497,961.89 × 288,668.18 - Step 4: Simplify right side
998,633.99x = 432,413,925,005.85 - Step 5: Solve for x
x = 432,413,925,005.85/998,633.99 - Step 6: Final answer
x = 433,005.42
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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.