Finding the Fourth Proportional to 780,863.49, 1,169,182.20 and 510,317.62
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Solution
The fourth proportional to 780,863.49, 1,169,182.20 and 510,317.62 is: 764,095.49
Step by Step Solution
- Step 1: Write the proportion equation
780,863.49 : 1,169,182.20 = 510,317.62 : x - Step 2: Convert to fraction form
780,863.49/1,169,182.20 = 510,317.62/x - Step 3: Cross multiply
780,863.49x = 1,169,182.20 × 510,317.62 - Step 4: Simplify right side
780,863.49x = 596,654,273,770.56 - Step 5: Solve for x
x = 596,654,273,770.56/780,863.49 - Step 6: Final answer
x = 764,095.49
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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.