Finding the Fourth Proportional to 526,306.76, 726,302.81 and 284,588.75
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Solution
The fourth proportional to 526,306.76, 726,302.81 and 284,588.75 is: 392,732.20
Step by Step Solution
- Step 1: Write the proportion equation
526,306.76 : 726,302.81 = 284,588.75 : x - Step 2: Convert to fraction form
526,306.76/726,302.81 = 284,588.75/x - Step 3: Cross multiply
526,306.76x = 726,302.81 × 284,588.75 - Step 4: Simplify right side
526,306.76x = 206,697,611,346.62 - Step 5: Solve for x
x = 206,697,611,346.62/526,306.76 - Step 6: Final answer
x = 392,732.20
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1.5x scale
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.