Finding the Fourth Proportional to 1,332,366.48, 1,998,532.44 and 321,479.91
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Solution
The fourth proportional to 1,332,366.48, 1,998,532.44 and 321,479.91 is: 482,215.70
Step by Step Solution
- Step 1: Write the proportion equation
1,332,366.48 : 1,998,532.44 = 321,479.91 : x - Step 2: Convert to fraction form
1,332,366.48/1,998,532.44 = 321,479.91/x - Step 3: Cross multiply
1,332,366.48x = 1,998,532.44 × 321,479.91 - Step 4: Simplify right side
1,332,366.48x = 642,488,028,943.28 - Step 5: Solve for x
x = 642,488,028,943.28/1,332,366.48 - Step 6: Final answer
x = 482,215.70
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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.