Finding the Fourth Proportional to 767,676.88, 1,059,822.36 and 538,936.08
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Solution
The fourth proportional to 767,676.88, 1,059,822.36 and 538,936.08 is: 744,032.45
Step by Step Solution
- Step 1: Write the proportion equation
767,676.88 : 1,059,822.36 = 538,936.08 : x - Step 2: Convert to fraction form
767,676.88/1,059,822.36 = 538,936.08/x - Step 3: Cross multiply
767,676.88x = 1,059,822.36 × 538,936.08 - Step 4: Simplify right side
767,676.88x = 571,176,508,194.75 - Step 5: Solve for x
x = 571,176,508,194.75/767,676.88 - Step 6: Final answer
x = 744,032.45
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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.