Finding the Fourth Proportional to 791,106.14, 1,091,731.71 and 428,529.99
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Solution
The fourth proportional to 791,106.14, 1,091,731.71 and 428,529.99 is: 591,374.23
Step by Step Solution
- Step 1: Write the proportion equation
791,106.14 : 1,091,731.71 = 428,529.99 : x - Step 2: Convert to fraction form
791,106.14/1,091,731.71 = 428,529.99/x - Step 3: Cross multiply
791,106.14x = 1,091,731.71 × 428,529.99 - Step 4: Simplify right side
791,106.14x = 467,839,778,768.98 - Step 5: Solve for x
x = 467,839,778,768.98/791,106.14 - Step 6: Final answer
x = 591,374.23
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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.