Finding the Fourth Proportional to 615,093.70, 921,862.95 and 548,220.10
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Solution
The fourth proportional to 615,093.70, 921,862.95 and 548,220.10 is: 821,637.09
Step by Step Solution
- Step 1: Write the proportion equation
615,093.70 : 921,862.95 = 548,220.10 : x - Step 2: Convert to fraction form
615,093.70/921,862.95 = 548,220.10/x - Step 3: Cross multiply
615,093.70x = 921,862.95 × 548,220.10 - Step 4: Simplify right side
615,093.70x = 505,383,798,635.30 - Step 5: Solve for x
x = 505,383,798,635.30/615,093.70 - Step 6: Final answer
x = 821,637.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.