Finding the Fourth Proportional to 818,233.09, 1,128,580.01 and 546,163.81
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Solution
The fourth proportional to 818,233.09, 1,128,580.01 and 546,163.81 is: 753,317.81
Step by Step Solution
- Step 1: Write the proportion equation
818,233.09 : 1,128,580.01 = 546,163.81 : x - Step 2: Convert to fraction form
818,233.09/1,128,580.01 = 546,163.81/x - Step 3: Cross multiply
818,233.09x = 1,128,580.01 × 546,163.81 - Step 4: Simplify right side
818,233.09x = 616,389,558,151.44 - Step 5: Solve for x
x = 616,389,558,151.44/818,233.09 - Step 6: Final answer
x = 753,317.81
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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.