Finding the Fourth Proportional to 752,460.88, 1,038,408.68 and 412,960.72
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Solution
The fourth proportional to 752,460.88, 1,038,408.68 and 412,960.72 is: 569,892.74
Step by Step Solution
- Step 1: Write the proportion equation
752,460.88 : 1,038,408.68 = 412,960.72 : x - Step 2: Convert to fraction form
752,460.88/1,038,408.68 = 412,960.72/x - Step 3: Cross multiply
752,460.88x = 1,038,408.68 × 412,960.72 - Step 4: Simplify right side
752,460.88x = 428,821,996,147.05 - Step 5: Solve for x
x = 428,821,996,147.05/752,460.88 - Step 6: Final answer
x = 569,892.74
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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.