Finding the Fourth Proportional to 867,361.64, 1,295,771.05 and 561,262.14
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Solution
The fourth proportional to 867,361.64, 1,295,771.05 and 561,262.14 is: 838,482.12
Step by Step Solution
- Step 1: Write the proportion equation
867,361.64 : 1,295,771.05 = 561,262.14 : x - Step 2: Convert to fraction form
867,361.64/1,295,771.05 = 561,262.14/x - Step 3: Cross multiply
867,361.64x = 1,295,771.05 × 561,262.14 - Step 4: Simplify right side
867,361.64x = 727,267,231,069.89 - Step 5: Solve for x
x = 727,267,231,069.89/867,361.64 - Step 6: Final answer
x = 838,482.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.