Finding the Fourth Proportional to 780,206.58, 1,169,977.57 and 306,559.69
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Solution
The fourth proportional to 780,206.58, 1,169,977.57 and 306,559.69 is: 459,708.96
Step by Step Solution
- Step 1: Write the proportion equation
780,206.58 : 1,169,977.57 = 306,559.69 : x - Step 2: Convert to fraction form
780,206.58/1,169,977.57 = 306,559.69/x - Step 3: Cross multiply
780,206.58x = 1,169,977.57 × 306,559.69 - Step 4: Simplify right side
780,206.58x = 358,667,957,474.81 - Step 5: Solve for x
x = 358,667,957,474.81/780,206.58 - Step 6: Final answer
x = 459,708.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.