Finding the Fourth Proportional to 985,639.08, 1,360,126.08 and 555,893.52
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Solution
The fourth proportional to 985,639.08, 1,360,126.08 and 555,893.52 is: 767,101.56
Step by Step Solution
- Step 1: Write the proportion equation
985,639.08 : 1,360,126.08 = 555,893.52 : x - Step 2: Convert to fraction form
985,639.08/1,360,126.08 = 555,893.52/x - Step 3: Cross multiply
985,639.08x = 1,360,126.08 × 555,893.52 - Step 4: Simplify right side
985,639.08x = 756,085,274,255.00 - Step 5: Solve for x
x = 756,085,274,255.00/985,639.08 - Step 6: Final answer
x = 767,101.56
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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.