Finding the Fourth Proportional to 888,943.30, 1,226,744.99 and 481,045.10
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Solution
The fourth proportional to 888,943.30, 1,226,744.99 and 481,045.10 is: 663,843.99
Step by Step Solution
- Step 1: Write the proportion equation
888,943.30 : 1,226,744.99 = 481,045.10 : x - Step 2: Convert to fraction form
888,943.30/1,226,744.99 = 481,045.10/x - Step 3: Cross multiply
888,943.30x = 1,226,744.99 × 481,045.10 - Step 4: Simplify right side
888,943.30x = 590,119,666,389.05 - Step 5: Solve for x
x = 590,119,666,389.05/888,943.30 - Step 6: Final answer
x = 663,843.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.