Finding the Fourth Proportional to 763,947.23, 1,054,185.47 and 441,678.09
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Solution
The fourth proportional to 763,947.23, 1,054,185.47 and 441,678.09 is: 609,480.09
Step by Step Solution
- Step 1: Write the proportion equation
763,947.23 : 1,054,185.47 = 441,678.09 : x - Step 2: Convert to fraction form
763,947.23/1,054,185.47 = 441,678.09/x - Step 3: Cross multiply
763,947.23x = 1,054,185.47 × 441,678.09 - Step 4: Simplify right side
763,947.23x = 465,610,624,851.10 - Step 5: Solve for x
x = 465,610,624,851.10/763,947.23 - Step 6: Final answer
x = 609,480.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.