Finding the Fourth Proportional to 748,367.36, 1,032,441.12 and 552,602.88
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Solution
The fourth proportional to 748,367.36, 1,032,441.12 and 552,602.88 is: 762,366.14
Step by Step Solution
- Step 1: Write the proportion equation
748,367.36 : 1,032,441.12 = 552,602.88 : x - Step 2: Convert to fraction form
748,367.36/1,032,441.12 = 552,602.88/x - Step 3: Cross multiply
748,367.36x = 1,032,441.12 × 552,602.88 - Step 4: Simplify right side
748,367.36x = 570,529,936,342.43 - Step 5: Solve for x
x = 570,529,936,342.43/748,367.36 - Step 6: Final answer
x = 762,366.14
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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.