Finding the Fourth Proportional to 603,752.10, 833,197.96 and 355,349.03
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Solution
The fourth proportional to 603,752.10, 833,197.96 and 355,349.03 is: 490,393.47
Step by Step Solution
- Step 1: Write the proportion equation
603,752.10 : 833,197.96 = 355,349.03 : x - Step 2: Convert to fraction form
603,752.10/833,197.96 = 355,349.03/x - Step 3: Cross multiply
603,752.10x = 833,197.96 × 355,349.03 - Step 4: Simplify right side
603,752.10x = 296,076,086,883.98 - Step 5: Solve for x
x = 296,076,086,883.98/603,752.10 - Step 6: Final answer
x = 490,393.47
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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.