Finding the Fourth Proportional to 622,506.70, 934,197.45 and 398,412.10
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Solution
The fourth proportional to 622,506.70, 934,197.45 and 398,412.10 is: 597,898.09
Step by Step Solution
- Step 1: Write the proportion equation
622,506.70 : 934,197.45 = 398,412.10 : x - Step 2: Convert to fraction form
622,506.70/934,197.45 = 398,412.10/x - Step 3: Cross multiply
622,506.70x = 934,197.45 × 398,412.10 - Step 4: Simplify right side
622,506.70x = 372,195,567,869.15 - Step 5: Solve for x
x = 372,195,567,869.15/622,506.70 - Step 6: Final answer
x = 597,898.09
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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.