Finding the Fourth Proportional to 816,880.50, 1,126,113.33 and 540,775.68
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Solution
The fourth proportional to 816,880.50, 1,126,113.33 and 540,775.68 is: 745,488.11
Step by Step Solution
- Step 1: Write the proportion equation
816,880.50 : 1,126,113.33 = 540,775.68 : x - Step 2: Convert to fraction form
816,880.50/1,126,113.33 = 540,775.68/x - Step 3: Cross multiply
816,880.50x = 1,126,113.33 × 540,775.68 - Step 4: Simplify right side
816,880.50x = 608,974,701,787.82 - Step 5: Solve for x
x = 608,974,701,787.82/816,880.50 - Step 6: Final answer
x = 745,488.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.