Finding the Fourth Proportional to 894,714.75, 1,234,706.36 and 492,306.75
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Solution
The fourth proportional to 894,714.75, 1,234,706.36 and 492,306.75 is: 679,383.32
Step by Step Solution
- Step 1: Write the proportion equation
894,714.75 : 1,234,706.36 = 492,306.75 : x - Step 2: Convert to fraction form
894,714.75/1,234,706.36 = 492,306.75/x - Step 3: Cross multiply
894,714.75x = 1,234,706.36 × 492,306.75 - Step 4: Simplify right side
894,714.75x = 607,854,275,295.93 - Step 5: Solve for x
x = 607,854,275,295.93/894,714.75 - Step 6: Final answer
x = 679,383.32
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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.