Finding the Fourth Proportional to 498,713.63, 688,185.88 and 294,725.75
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Solution
The fourth proportional to 498,713.63, 688,185.88 and 294,725.75 is: 406,698.52
Step by Step Solution
- Step 1: Write the proportion equation
498,713.63 : 688,185.88 = 294,725.75 : x - Step 2: Convert to fraction form
498,713.63/688,185.88 = 294,725.75/x - Step 3: Cross multiply
498,713.63x = 688,185.88 × 294,725.75 - Step 4: Simplify right side
498,713.63x = 202,826,095,444.67 - Step 5: Solve for x
x = 202,826,095,444.67/498,713.63 - Step 6: Final answer
x = 406,698.52
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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.