Finding the Fourth Proportional to 752,300.46, 1,038,193.74 and 412,768.62
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Solution
The fourth proportional to 752,300.46, 1,038,193.74 and 412,768.62 is: 569,631.18
Step by Step Solution
- Step 1: Write the proportion equation
752,300.46 : 1,038,193.74 = 412,768.62 : x - Step 2: Convert to fraction form
752,300.46/1,038,193.74 = 412,768.62/x - Step 3: Cross multiply
752,300.46x = 1,038,193.74 × 412,768.62 - Step 4: Simplify right side
752,300.46x = 428,533,797,352.44 - Step 5: Solve for x
x = 428,533,797,352.44/752,300.46 - Step 6: Final answer
x = 569,631.18
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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.