Finding the Fourth Proportional to 714,926.52, 1,072,832.64 and 415,548.09
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Solution
The fourth proportional to 714,926.52, 1,072,832.64 and 415,548.09 is: 623,579.55
Step by Step Solution
- Step 1: Write the proportion equation
714,926.52 : 1,072,832.64 = 415,548.09 : x - Step 2: Convert to fraction form
714,926.52/1,072,832.64 = 415,548.09/x - Step 3: Cross multiply
714,926.52x = 1,072,832.64 × 415,548.09 - Step 4: Simplify right side
714,926.52x = 445,813,554,441.66 - Step 5: Solve for x
x = 445,813,554,441.66/714,926.52 - Step 6: Final answer
x = 623,579.55
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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.