Finding the Fourth Proportional to 843,182.20, 1,163,264.58 and 537,203.79
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Solution
The fourth proportional to 843,182.20, 1,163,264.58 and 537,203.79 is: 741,132.99
Step by Step Solution
- Step 1: Write the proportion equation
843,182.20 : 1,163,264.58 = 537,203.79 : x - Step 2: Convert to fraction form
843,182.20/1,163,264.58 = 537,203.79/x - Step 3: Cross multiply
843,182.20x = 1,163,264.58 × 537,203.79 - Step 4: Simplify right side
843,182.20x = 624,910,141,148.76 - Step 5: Solve for x
x = 624,910,141,148.76/843,182.20 - Step 6: Final answer
x = 741,132.99
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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.