Finding the Fourth Proportional to 741,703.20, 1,112,554.80 and 368,455.20
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Solution
The fourth proportional to 741,703.20, 1,112,554.80 and 368,455.20 is: 552,682.80
Step by Step Solution
- Step 1: Write the proportion equation
741,703.20 : 1,112,554.80 = 368,455.20 : x - Step 2: Convert to fraction form
741,703.20/1,112,554.80 = 368,455.20/x - Step 3: Cross multiply
741,703.20x = 1,112,554.80 × 368,455.20 - Step 4: Simplify right side
741,703.20x = 409,926,601,344.96 - Step 5: Solve for x
x = 409,926,601,344.96/741,703.20 - Step 6: Final answer
x = 552,682.80
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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.