Finding the Fourth Proportional to 511,823.44, 706,456.92 and 297,032.68
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Solution
The fourth proportional to 511,823.44, 706,456.92 and 297,032.68 is: 409,986.68
Step by Step Solution
- Step 1: Write the proportion equation
511,823.44 : 706,456.92 = 297,032.68 : x - Step 2: Convert to fraction form
511,823.44/706,456.92 = 297,032.68/x - Step 3: Cross multiply
511,823.44x = 706,456.92 × 297,032.68 - Step 4: Simplify right side
511,823.44x = 209,840,792,252.15 - Step 5: Solve for x
x = 209,840,792,252.15/511,823.44 - Step 6: Final answer
x = 409,986.68
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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.