Finding the Fourth Proportional to 788,451.10, 1,182,775.19 and 308,616.99
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Solution
The fourth proportional to 788,451.10, 1,182,775.19 and 308,616.99 is: 462,964.05
Step by Step Solution
- Step 1: Write the proportion equation
788,451.10 : 1,182,775.19 = 308,616.99 : x - Step 2: Convert to fraction form
788,451.10/1,182,775.19 = 308,616.99/x - Step 3: Cross multiply
788,451.10x = 1,182,775.19 × 308,616.99 - Step 4: Simplify right side
788,451.10x = 365,024,513,873.97 - Step 5: Solve for x
x = 365,024,513,873.97/788,451.10 - Step 6: Final answer
x = 462,964.05
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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.