Finding the Fourth Proportional to 450,740.84, 622,022.40 and 246,791.79
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Solution
The fourth proportional to 450,740.84, 622,022.40 and 246,791.79 is: 340,572.70
Step by Step Solution
- Step 1: Write the proportion equation
450,740.84 : 622,022.40 = 246,791.79 : x - Step 2: Convert to fraction form
450,740.84/622,022.40 = 246,791.79/x - Step 3: Cross multiply
450,740.84x = 622,022.40 × 246,791.79 - Step 4: Simplify right side
450,740.84x = 153,510,021,516.10 - Step 5: Solve for x
x = 153,510,021,516.10/450,740.84 - Step 6: Final answer
x = 340,572.70
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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.