Finding the Fourth Proportional to 839,552.40, 1,158,609.36 and 476,969.68
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Solution
The fourth proportional to 839,552.40, 1,158,609.36 and 476,969.68 is: 658,233.53
Step by Step Solution
- Step 1: Write the proportion equation
839,552.40 : 1,158,609.36 = 476,969.68 : x - Step 2: Convert to fraction form
839,552.40/1,158,609.36 = 476,969.68/x - Step 3: Cross multiply
839,552.40x = 1,158,609.36 × 476,969.68 - Step 4: Simplify right side
839,552.40x = 552,621,535,684.21 - Step 5: Solve for x
x = 552,621,535,684.21/839,552.40 - Step 6: Final answer
x = 658,233.53
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1.5x scale
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.