Finding the Fourth Proportional to 979,882.72, 1,470,034.17 and 340,206.68
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Solution
The fourth proportional to 979,882.72, 1,470,034.17 and 340,206.68 is: 510,382.97
Step by Step Solution
- Step 1: Write the proportion equation
979,882.72 : 1,470,034.17 = 340,206.68 : x - Step 2: Convert to fraction form
979,882.72/1,470,034.17 = 340,206.68/x - Step 3: Cross multiply
979,882.72x = 1,470,034.17 × 340,206.68 - Step 4: Simplify right side
979,882.72x = 500,115,448,137.34 - Step 5: Solve for x
x = 500,115,448,137.34/979,882.72 - Step 6: Final answer
x = 510,382.97
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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.