Finding the Fourth Proportional to 643,195.24, 964,703.48 and 450,485.98
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Solution
The fourth proportional to 643,195.24, 964,703.48 and 450,485.98 is: 675,666.37
Step by Step Solution
- Step 1: Write the proportion equation
643,195.24 : 964,703.48 = 450,485.98 : x - Step 2: Convert to fraction form
643,195.24/964,703.48 = 450,485.98/x - Step 3: Cross multiply
643,195.24x = 964,703.48 × 450,485.98 - Step 4: Simplify right side
643,195.24x = 434,585,392,597.21 - Step 5: Solve for x
x = 434,585,392,597.21/643,195.24 - Step 6: Final answer
x = 675,666.37
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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.