Finding the Fourth Proportional to 526,653.08, 726,780.46 and 284,934.84
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Solution
The fourth proportional to 526,653.08, 726,780.46 and 284,934.84 is: 393,209.65
Step by Step Solution
- Step 1: Write the proportion equation
526,653.08 : 726,780.46 = 284,934.84 : x - Step 2: Convert to fraction form
526,653.08/726,780.46 = 284,934.84/x - Step 3: Cross multiply
526,653.08x = 726,780.46 × 284,934.84 - Step 4: Simplify right side
526,653.08x = 207,085,074,085.23 - Step 5: Solve for x
x = 207,085,074,085.23/526,653.08 - Step 6: Final answer
x = 393,209.65
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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.