Finding the Fourth Proportional to 951,378.38, 1,313,591.07 and 612,437.12
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Solution
The fourth proportional to 951,378.38, 1,313,591.07 and 612,437.12 is: 845,606.70
Step by Step Solution
- Step 1: Write the proportion equation
951,378.38 : 1,313,591.07 = 612,437.12 : x - Step 2: Convert to fraction form
951,378.38/1,313,591.07 = 612,437.12/x - Step 3: Cross multiply
951,378.38x = 1,313,591.07 × 612,437.12 - Step 4: Simplify right side
951,378.38x = 804,491,931,768.52 - Step 5: Solve for x
x = 804,491,931,768.52/951,378.38 - Step 6: Final answer
x = 845,606.70
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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.