Finding the Fourth Proportional to 901,237.41, 1,243,622.57 and 538,589.07
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Solution
The fourth proportional to 901,237.41, 1,243,622.57 and 538,589.07 is: 743,202.08
Step by Step Solution
- Step 1: Write the proportion equation
901,237.41 : 1,243,622.57 = 538,589.07 : x - Step 2: Convert to fraction form
901,237.41/1,243,622.57 = 538,589.07/x - Step 3: Cross multiply
901,237.41x = 1,243,622.57 × 538,589.07 - Step 4: Simplify right side
901,237.41x = 669,801,520,714.37 - Step 5: Solve for x
x = 669,801,520,714.37/901,237.41 - Step 6: Final answer
x = 743,202.08
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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.