Finding the Fourth Proportional to 764,599.50, 1,055,148.53 and 425,067.75
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Solution
The fourth proportional to 764,599.50, 1,055,148.53 and 425,067.75 is: 586,594.17
Step by Step Solution
- Step 1: Write the proportion equation
764,599.50 : 1,055,148.53 = 425,067.75 : x - Step 2: Convert to fraction form
764,599.50/1,055,148.53 = 425,067.75/x - Step 3: Cross multiply
764,599.50x = 1,055,148.53 × 425,067.75 - Step 4: Simplify right side
764,599.50x = 448,509,609,437.57 - Step 5: Solve for x
x = 448,509,609,437.57/764,599.50 - Step 6: Final answer
x = 586,594.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.