Finding the Fourth Proportional to 894,713.75, 1,234,704.98 and 492,305.75
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Solution
The fourth proportional to 894,713.75, 1,234,704.98 and 492,305.75 is: 679,381.94
Step by Step Solution
- Step 1: Write the proportion equation
894,713.75 : 1,234,704.98 = 492,305.75 : x - Step 2: Convert to fraction form
894,713.75/1,234,704.98 = 492,305.75/x - Step 3: Cross multiply
894,713.75x = 1,234,704.98 × 492,305.75 - Step 4: Simplify right side
894,713.75x = 607,852,361,207.64 - Step 5: Solve for x
x = 607,852,361,207.64/894,713.75 - Step 6: Final answer
x = 679,381.94
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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.