Finding the Fourth Proportional to 543,889.80, 750,523.92 and 314,461.80
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Solution
The fourth proportional to 543,889.80, 750,523.92 and 314,461.80 is: 433,931.84
Step by Step Solution
- Step 1: Write the proportion equation
543,889.80 : 750,523.92 = 314,461.80 : x - Step 2: Convert to fraction form
543,889.80/750,523.92 = 314,461.80/x - Step 3: Cross multiply
543,889.80x = 750,523.92 × 314,461.80 - Step 4: Simplify right side
543,889.80x = 236,011,102,826.26 - Step 5: Solve for x
x = 236,011,102,826.26/543,889.80 - Step 6: Final answer
x = 433,931.84
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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.