Finding the Fourth Proportional to 843,029.40, 1,264,106.70 and 310,276.20
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Solution
The fourth proportional to 843,029.40, 1,264,106.70 and 310,276.20 is: 465,253.32
Step by Step Solution
- Step 1: Write the proportion equation
843,029.40 : 1,264,106.70 = 310,276.20 : x - Step 2: Convert to fraction form
843,029.40/1,264,106.70 = 310,276.20/x - Step 3: Cross multiply
843,029.40x = 1,264,106.70 × 310,276.20 - Step 4: Simplify right side
843,029.40x = 392,222,223,270.54 - Step 5: Solve for x
x = 392,222,223,270.54/843,029.40 - Step 6: Final answer
x = 465,253.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.