Finding the Fourth Proportional to 861,823.18, 1,293,325.26 and 300,857.68
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Solution
The fourth proportional to 861,823.18, 1,293,325.26 and 300,857.68 is: 451,492.66
Step by Step Solution
- Step 1: Write the proportion equation
861,823.18 : 1,293,325.26 = 300,857.68 : x - Step 2: Convert to fraction form
861,823.18/1,293,325.26 = 300,857.68/x - Step 3: Cross multiply
861,823.18x = 1,293,325.26 × 300,857.68 - Step 4: Simplify right side
861,823.18x = 389,106,837,209.00 - Step 5: Solve for x
x = 389,106,837,209.00/861,823.18 - Step 6: Final answer
x = 451,492.66
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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.