Finding the Fourth Proportional to 646,797.68, 968,405.16 and 330,573.68
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Solution
The fourth proportional to 646,797.68, 968,405.16 and 330,573.68 is: 494,944.97
Step by Step Solution
- Step 1: Write the proportion equation
646,797.68 : 968,405.16 = 330,573.68 : x - Step 2: Convert to fraction form
646,797.68/968,405.16 = 330,573.68/x - Step 3: Cross multiply
646,797.68x = 968,405.16 × 330,573.68 - Step 4: Simplify right side
646,797.68x = 320,129,257,472.19 - Step 5: Solve for x
x = 320,129,257,472.19/646,797.68 - Step 6: Final answer
x = 494,944.97
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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.