Finding the Fourth Proportional to 791,106.24, 1,091,731.85 and 428,530.09
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Solution
The fourth proportional to 791,106.24, 1,091,731.85 and 428,530.09 is: 591,374.36
Step by Step Solution
- Step 1: Write the proportion equation
791,106.24 : 1,091,731.85 = 428,530.09 : x - Step 2: Convert to fraction form
791,106.24/1,091,731.85 = 428,530.09/x - Step 3: Cross multiply
791,106.24x = 1,091,731.85 × 428,530.09 - Step 4: Simplify right side
791,106.24x = 467,839,947,936.37 - Step 5: Solve for x
x = 467,839,947,936.37/791,106.24 - Step 6: Final answer
x = 591,374.36
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.