Finding the Fourth Proportional to 741,140.64, 1,022,639.28 and 414,459.68
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Solution
The fourth proportional to 741,140.64, 1,022,639.28 and 414,459.68 is: 571,878.97
Step by Step Solution
- Step 1: Write the proportion equation
741,140.64 : 1,022,639.28 = 414,459.68 : x - Step 2: Convert to fraction form
741,140.64/1,022,639.28 = 414,459.68/x - Step 3: Cross multiply
741,140.64x = 1,022,639.28 × 414,459.68 - Step 4: Simplify right side
741,140.64x = 423,842,748,744.23 - Step 5: Solve for x
x = 423,842,748,744.23/741,140.64 - Step 6: Final answer
x = 571,878.97
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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.