Finding the Fourth Proportional to 741,605.88, 1,112,410.62 and 209,129.70
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Solution
The fourth proportional to 741,605.88, 1,112,410.62 and 209,129.70 is: 313,695.06
Step by Step Solution
- Step 1: Write the proportion equation
741,605.88 : 1,112,410.62 = 209,129.70 : x - Step 2: Convert to fraction form
741,605.88/1,112,410.62 = 209,129.70/x - Step 3: Cross multiply
741,605.88x = 1,112,410.62 × 209,129.70 - Step 4: Simplify right side
741,605.88x = 232,638,099,237.41 - Step 5: Solve for x
x = 232,638,099,237.41/741,605.88 - Step 6: Final answer
x = 313,695.06
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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.