Finding the Fourth Proportional to 856,371.97, 1,181,490.33 and 511,968.88
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Solution
The fourth proportional to 856,371.97, 1,181,490.33 and 511,968.88 is: 706,335.92
Step by Step Solution
- Step 1: Write the proportion equation
856,371.97 : 1,181,490.33 = 511,968.88 : x - Step 2: Convert to fraction form
856,371.97/1,181,490.33 = 511,968.88/x - Step 3: Cross multiply
856,371.97x = 1,181,490.33 × 511,968.88 - Step 4: Simplify right side
856,371.97x = 604,886,280,980.93 - Step 5: Solve for x
x = 604,886,280,980.93/856,371.97 - Step 6: Final answer
x = 706,335.92
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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.