Finding the Fourth Proportional to 758,628.09, 1,046,817.50 and 419,076.09
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Solution
The fourth proportional to 758,628.09, 1,046,817.50 and 419,076.09 is: 578,275.69
Step by Step Solution
- Step 1: Write the proportion equation
758,628.09 : 1,046,817.50 = 419,076.09 : x - Step 2: Convert to fraction form
758,628.09/1,046,817.50 = 419,076.09/x - Step 3: Cross multiply
758,628.09x = 1,046,817.50 × 419,076.09 - Step 4: Simplify right side
758,628.09x = 438,696,184,843.58 - Step 5: Solve for x
x = 438,696,184,843.58/758,628.09 - Step 6: Final answer
x = 578,275.69
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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.