Finding the Fourth Proportional to 763,955.99, 1,054,255.73 and 419,813.31
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Solution
The fourth proportional to 763,955.99, 1,054,255.73 and 419,813.31 is: 579,340.43
Step by Step Solution
- Step 1: Write the proportion equation
763,955.99 : 1,054,255.73 = 419,813.31 : x - Step 2: Convert to fraction form
763,955.99/1,054,255.73 = 419,813.31/x - Step 3: Cross multiply
763,955.99x = 1,054,255.73 × 419,813.31 - Step 4: Simplify right side
763,955.99x = 442,590,588,647.30 - Step 5: Solve for x
x = 442,590,588,647.30/763,955.99 - Step 6: Final answer
x = 579,340.43
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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.