Finding the Fourth Proportional to 807,768.68, 1,114,675.29 and 445,191.41
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Solution
The fourth proportional to 807,768.68, 1,114,675.29 and 445,191.41 is: 614,339.08
Step by Step Solution
- Step 1: Write the proportion equation
807,768.68 : 1,114,675.29 = 445,191.41 : x - Step 2: Convert to fraction form
807,768.68/1,114,675.29 = 445,191.41/x - Step 3: Cross multiply
807,768.68x = 1,114,675.29 × 445,191.41 - Step 4: Simplify right side
807,768.68x = 496,243,866,833.95 - Step 5: Solve for x
x = 496,243,866,833.95/807,768.68 - Step 6: Final answer
x = 614,339.08
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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.