Finding the Fourth Proportional to 1,117,693.99, 1,676,556.70 and 318,975.62
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Solution
The fourth proportional to 1,117,693.99, 1,676,556.70 and 318,975.62 is: 478,467.91
Step by Step Solution
- Step 1: Write the proportion equation
1,117,693.99 : 1,676,556.70 = 318,975.62 : x - Step 2: Convert to fraction form
1,117,693.99/1,676,556.70 = 318,975.62/x - Step 3: Cross multiply
1,117,693.99x = 1,676,556.70 × 318,975.62 - Step 4: Simplify right side
1,117,693.99x = 534,780,712,847.65 - Step 5: Solve for x
x = 534,780,712,847.65/1,117,693.99 - Step 6: Final answer
x = 478,467.91
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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.