Finding the Fourth Proportional to 943,912.40, 1,415,803.80 and 304,206.80
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Solution
The fourth proportional to 943,912.40, 1,415,803.80 and 304,206.80 is: 456,289.32
Step by Step Solution
- Step 1: Write the proportion equation
943,912.40 : 1,415,803.80 = 304,206.80 : x - Step 2: Convert to fraction form
943,912.40/1,415,803.80 = 304,206.80/x - Step 3: Cross multiply
943,912.40x = 1,415,803.80 × 304,206.80 - Step 4: Simplify right side
943,912.40x = 430,697,143,425.84 - Step 5: Solve for x
x = 430,697,143,425.84/943,912.40 - Step 6: Final answer
x = 456,289.32
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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.