Finding the Fourth Proportional to 781,292.04, 1,171,972.08 and 382,268.76
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Solution
The fourth proportional to 781,292.04, 1,171,972.08 and 382,268.76 is: 573,419.79
Step by Step Solution
- Step 1: Write the proportion equation
781,292.04 : 1,171,972.08 = 382,268.76 : x - Step 2: Convert to fraction form
781,292.04/1,171,972.08 = 382,268.76/x - Step 3: Cross multiply
781,292.04x = 1,171,972.08 × 382,268.76 - Step 4: Simplify right side
781,292.04x = 448,008,313,776.22 - Step 5: Solve for x
x = 448,008,313,776.22/781,292.04 - Step 6: Final answer
x = 573,419.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.