Finding the Fourth Proportional to 490,857.72, 677,106.88 and 294,574.00
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Solution
The fourth proportional to 490,857.72, 677,106.88 and 294,574.00 is: 406,346.02
Step by Step Solution
- Step 1: Write the proportion equation
490,857.72 : 677,106.88 = 294,574.00 : x - Step 2: Convert to fraction form
490,857.72/677,106.88 = 294,574.00/x - Step 3: Cross multiply
490,857.72x = 677,106.88 × 294,574.00 - Step 4: Simplify right side
490,857.72x = 199,458,083,766.05 - Step 5: Solve for x
x = 199,458,083,766.05/490,857.72 - Step 6: Final answer
x = 406,346.02
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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.