Finding the Fourth Proportional to 573,174.48, 790,917.98 and 331,420.47
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Solution
The fourth proportional to 573,174.48, 790,917.98 and 331,420.47 is: 457,323.94
Step by Step Solution
- Step 1: Write the proportion equation
573,174.48 : 790,917.98 = 331,420.47 : x - Step 2: Convert to fraction form
573,174.48/790,917.98 = 331,420.47/x - Step 3: Cross multiply
573,174.48x = 790,917.98 × 331,420.47 - Step 4: Simplify right side
573,174.48x = 262,126,408,663.05 - Step 5: Solve for x
x = 262,126,408,663.05/573,174.48 - Step 6: Final answer
x = 457,323.94
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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.