Finding the Fourth Proportional to 814,966.97, 1,125,059.18 and 509,212.85
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Solution
The fourth proportional to 814,966.97, 1,125,059.18 and 509,212.85 is: 702,966.63
Step by Step Solution
- Step 1: Write the proportion equation
814,966.97 : 1,125,059.18 = 509,212.85 : x - Step 2: Convert to fraction form
814,966.97/1,125,059.18 = 509,212.85/x - Step 3: Cross multiply
814,966.97x = 1,125,059.18 × 509,212.85 - Step 4: Simplify right side
814,966.97x = 572,894,583,295.10 - Step 5: Solve for x
x = 572,894,583,295.10/814,966.97 - Step 6: Final answer
x = 702,966.63
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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.