Finding the Fourth Proportional to 839,551.40, 1,158,607.98 and 476,968.68
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Solution
The fourth proportional to 839,551.40, 1,158,607.98 and 476,968.68 is: 658,232.14
Step by Step Solution
- Step 1: Write the proportion equation
839,551.40 : 1,158,607.98 = 476,968.68 : x - Step 2: Convert to fraction form
839,551.40/1,158,607.98 = 476,968.68/x - Step 3: Cross multiply
839,551.40x = 1,158,607.98 × 476,968.68 - Step 4: Simplify right side
839,551.40x = 552,619,718,858.07 - Step 5: Solve for x
x = 552,619,718,858.07/839,551.40 - Step 6: Final answer
x = 658,232.14
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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.