Finding the Fourth Proportional to 979,919.91, 1,470,069.41 and 340,246.71
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Solution
The fourth proportional to 979,919.91, 1,470,069.41 and 340,246.71 is: 510,435.88
Step by Step Solution
- Step 1: Write the proportion equation
979,919.91 : 1,470,069.41 = 340,246.71 : x - Step 2: Convert to fraction form
979,919.91/1,470,069.41 = 340,246.71/x - Step 3: Cross multiply
979,919.91x = 1,470,069.41 × 340,246.71 - Step 4: Simplify right side
979,919.91x = 500,186,278,522.91 - Step 5: Solve for x
x = 500,186,278,522.91/979,919.91 - Step 6: Final answer
x = 510,435.88
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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.