Finding the Fourth Proportional to 982,076.88, 1,355,252.72 and 552,356.84
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Solution
The fourth proportional to 982,076.88, 1,355,252.72 and 552,356.84 is: 762,244.92
Step by Step Solution
- Step 1: Write the proportion equation
982,076.88 : 1,355,252.72 = 552,356.84 : x - Step 2: Convert to fraction form
982,076.88/1,355,252.72 = 552,356.84/x - Step 3: Cross multiply
982,076.88x = 1,355,252.72 × 552,356.84 - Step 4: Simplify right side
982,076.88x = 748,583,109,820.61 - Step 5: Solve for x
x = 748,583,109,820.61/982,076.88 - Step 6: Final answer
x = 762,244.92
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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.