Finding the Fourth Proportional to 841,616.65, 1,161,438.37 and 479,063.84
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Solution
The fourth proportional to 841,616.65, 1,161,438.37 and 479,063.84 is: 661,112.31
Step by Step Solution
- Step 1: Write the proportion equation
841,616.65 : 1,161,438.37 = 479,063.84 : x - Step 2: Convert to fraction form
841,616.65/1,161,438.37 = 479,063.84/x - Step 3: Cross multiply
841,616.65x = 1,161,438.37 × 479,063.84 - Step 4: Simplify right side
841,616.65x = 556,403,126,653.20 - Step 5: Solve for x
x = 556,403,126,653.20/841,616.65 - Step 6: Final answer
x = 661,112.31
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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.