Finding the Fourth Proportional to 558,955.92, 771,373.02 and 304,321.08
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Solution
The fourth proportional to 558,955.92, 771,373.02 and 304,321.08 is: 419,970.63
Step by Step Solution
- Step 1: Write the proportion equation
558,955.92 : 771,373.02 = 304,321.08 : x - Step 2: Convert to fraction form
558,955.92/771,373.02 = 304,321.08/x - Step 3: Cross multiply
558,955.92x = 771,373.02 × 304,321.08 - Step 4: Simplify right side
558,955.92x = 234,745,070,529.26 - Step 5: Solve for x
x = 234,745,070,529.26/558,955.92 - Step 6: Final answer
x = 419,970.63
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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.