Finding the Fourth Proportional to 526,516.84, 726,590.40 and 284,798.68
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Solution
The fourth proportional to 526,516.84, 726,590.40 and 284,798.68 is: 393,020.64
Step by Step Solution
- Step 1: Write the proportion equation
526,516.84 : 726,590.40 = 284,798.68 : x - Step 2: Convert to fraction form
526,516.84/726,590.40 = 284,798.68/x - Step 3: Cross multiply
526,516.84x = 726,590.40 × 284,798.68 - Step 4: Simplify right side
526,516.84x = 206,931,986,820.67 - Step 5: Solve for x
x = 206,931,986,820.67/526,516.84 - Step 6: Final answer
x = 393,020.64
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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.