Finding the Fourth Proportional to 646,876.09, 892,083.52 and 511,234.09
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Solution
The fourth proportional to 646,876.09, 892,083.52 and 511,234.09 is: 705,024.52
Step by Step Solution
- Step 1: Write the proportion equation
646,876.09 : 892,083.52 = 511,234.09 : x - Step 2: Convert to fraction form
646,876.09/892,083.52 = 511,234.09/x - Step 3: Cross multiply
646,876.09x = 892,083.52 × 511,234.09 - Step 4: Simplify right side
646,876.09x = 456,063,506,551.20 - Step 5: Solve for x
x = 456,063,506,551.20/646,876.09 - Step 6: Final answer
x = 705,024.52
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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.