Finding the Fourth Proportional to 843,181.20, 1,163,263.20 and 537,202.79
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Solution
The fourth proportional to 843,181.20, 1,163,263.20 and 537,202.79 is: 741,131.60
Step by Step Solution
- Step 1: Write the proportion equation
843,181.20 : 1,163,263.20 = 537,202.79 : x - Step 2: Convert to fraction form
843,181.20/1,163,263.20 = 537,202.79/x - Step 3: Cross multiply
843,181.20x = 1,163,263.20 × 537,202.79 - Step 4: Simplify right side
843,181.20x = 624,908,230,728.01 - Step 5: Solve for x
x = 624,908,230,728.01/843,181.20 - Step 6: Final answer
x = 741,131.60
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1.5x scale
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.