Finding the Fourth Proportional to 784,920.27, 1,083,201.33 and 440,830.68
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Solution
The fourth proportional to 784,920.27, 1,083,201.33 and 440,830.68 is: 608,352.72
Step by Step Solution
- Step 1: Write the proportion equation
784,920.27 : 1,083,201.33 = 440,830.68 : x - Step 2: Convert to fraction form
784,920.27/1,083,201.33 = 440,830.68/x - Step 3: Cross multiply
784,920.27x = 1,083,201.33 × 440,830.68 - Step 4: Simplify right side
784,920.27x = 477,508,378,880.80 - Step 5: Solve for x
x = 477,508,378,880.80/784,920.27 - Step 6: Final answer
x = 608,352.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.