Finding the Fourth Proportional to 1,242,293.02, 1,863,528.52 and 331,470.70
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Solution
The fourth proportional to 1,242,293.02, 1,863,528.52 and 331,470.70 is: 497,229.79
Step by Step Solution
- Step 1: Write the proportion equation
1,242,293.02 : 1,863,528.52 = 331,470.70 : x - Step 2: Convert to fraction form
1,242,293.02/1,863,528.52 = 331,470.70/x - Step 3: Cross multiply
1,242,293.02x = 1,863,528.52 × 331,470.70 - Step 4: Simplify right side
1,242,293.02x = 617,705,102,994.36 - Step 5: Solve for x
x = 617,705,102,994.36/1,242,293.02 - Step 6: Final answer
x = 497,229.79
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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.