Finding the Fourth Proportional to 910,627.29, 1,256,830.16 and 543,127.99
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Solution
The fourth proportional to 910,627.29, 1,256,830.16 and 543,127.99 is: 749,614.74
Step by Step Solution
- Step 1: Write the proportion equation
910,627.29 : 1,256,830.16 = 543,127.99 : x - Step 2: Convert to fraction form
910,627.29/1,256,830.16 = 543,127.99/x - Step 3: Cross multiply
910,627.29x = 1,256,830.16 × 543,127.99 - Step 4: Simplify right side
910,627.29x = 682,619,639,930.00 - Step 5: Solve for x
x = 682,619,639,930.00/910,627.29 - Step 6: Final answer
x = 749,614.74
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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.