Finding the Fourth Proportional to 757,023.48, 1,044,512.80 and 430,310.79
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Solution
The fourth proportional to 757,023.48, 1,044,512.80 and 430,310.79 is: 593,726.80
Step by Step Solution
- Step 1: Write the proportion equation
757,023.48 : 1,044,512.80 = 430,310.79 : x - Step 2: Convert to fraction form
757,023.48/1,044,512.80 = 430,310.79/x - Step 3: Cross multiply
757,023.48x = 1,044,512.80 × 430,310.79 - Step 4: Simplify right side
757,023.48x = 449,465,127,057.34 - Step 5: Solve for x
x = 449,465,127,057.34/757,023.48 - Step 6: Final answer
x = 593,726.80
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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.