Finding the Fourth Proportional to 1,476,907.81, 2,215,755.53 and 530,286.73
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Solution
The fourth proportional to 1,476,907.81, 2,215,755.53 and 530,286.73 is: 795,571.50
Step by Step Solution
- Step 1: Write the proportion equation
1,476,907.81 : 2,215,755.53 = 530,286.73 : x - Step 2: Convert to fraction form
1,476,907.81/2,215,755.53 = 530,286.73/x - Step 3: Cross multiply
1,476,907.81x = 2,215,755.53 × 530,286.73 - Step 4: Simplify right side
1,476,907.81x = 1,174,985,754,483.12 - Step 5: Solve for x
x = 1,174,985,754,483.12/1,476,907.81 - Step 6: Final answer
x = 795,571.50
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1.5x scale
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.