Finding the Fourth Proportional to 756,459.24, 1,043,918.68 and 416,927.48
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Solution
The fourth proportional to 756,459.24, 1,043,918.68 and 416,927.48 is: 575,362.64
Step by Step Solution
- Step 1: Write the proportion equation
756,459.24 : 1,043,918.68 = 416,927.48 : x - Step 2: Convert to fraction form
756,459.24/1,043,918.68 = 416,927.48/x - Step 3: Cross multiply
756,459.24x = 1,043,918.68 × 416,927.48 - Step 4: Simplify right side
756,459.24x = 435,238,384,577.33 - Step 5: Solve for x
x = 435,238,384,577.33/756,459.24 - Step 6: Final answer
x = 575,362.64
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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.