Finding the Fourth Proportional to 861,513.84, 1,292,535.36 and 441,084.96
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Solution
The fourth proportional to 861,513.84, 1,292,535.36 and 441,084.96 is: 661,762.91
Step by Step Solution
- Step 1: Write the proportion equation
861,513.84 : 1,292,535.36 = 441,084.96 : x - Step 2: Convert to fraction form
861,513.84/1,292,535.36 = 441,084.96/x - Step 3: Cross multiply
861,513.84x = 1,292,535.36 × 441,084.96 - Step 4: Simplify right side
861,513.84x = 570,117,907,564.19 - Step 5: Solve for x
x = 570,117,907,564.19/861,513.84 - Step 6: Final answer
x = 661,762.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.