Finding the Fourth Proportional to 815,286, 1,221,597.18 and 495,535.68
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Solution
The fourth proportional to 815,286, 1,221,597.18 and 495,535.68 is: 742,494.03
Step by Step Solution
- Step 1: Write the proportion equation
815,286 : 1,221,597.18 = 495,535.68 : x - Step 2: Convert to fraction form
815,286/1,221,597.18 = 495,535.68/x - Step 3: Cross multiply
815,286x = 1,221,597.18 × 495,535.68 - Step 4: Simplify right side
815,286x = 605,344,989,277.38 - Step 5: Solve for x
x = 605,344,989,277.38/815,286 - Step 6: Final answer
x = 742,494.03
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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.