Finding the Fourth Proportional to 741,672.41, 1,112,551.67 and 286,266.18
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Solution
The fourth proportional to 741,672.41, 1,112,551.67 and 286,266.18 is: 429,415.89
Step by Step Solution
- Step 1: Write the proportion equation
741,672.41 : 1,112,551.67 = 286,266.18 : x - Step 2: Convert to fraction form
741,672.41/1,112,551.67 = 286,266.18/x - Step 3: Cross multiply
741,672.41x = 1,112,551.67 × 286,266.18 - Step 4: Simplify right side
741,672.41x = 318,485,916,623.52 - Step 5: Solve for x
x = 318,485,916,623.52/741,672.41 - Step 6: Final answer
x = 429,415.89
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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.