Finding the Fourth Proportional to 517,010.40, 775,624.68 and 260,988.84
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Solution
The fourth proportional to 517,010.40, 775,624.68 and 260,988.84 is: 391,538.32
Step by Step Solution
- Step 1: Write the proportion equation
517,010.40 : 775,624.68 = 260,988.84 : x - Step 2: Convert to fraction form
517,010.40/775,624.68 = 260,988.84/x - Step 3: Cross multiply
517,010.40x = 775,624.68 × 260,988.84 - Step 4: Simplify right side
517,010.40x = 202,429,385,508.57 - Step 5: Solve for x
x = 202,429,385,508.57/517,010.40 - Step 6: Final answer
x = 391,538.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.