Finding the Fourth Proportional to 901,475.44, 1,243,988.74 and 493,499.10
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Solution
The fourth proportional to 901,475.44, 1,243,988.74 and 493,499.10 is: 681,002.83
Step by Step Solution
- Step 1: Write the proportion equation
901,475.44 : 1,243,988.74 = 493,499.10 : x - Step 2: Convert to fraction form
901,475.44/1,243,988.74 = 493,499.10/x - Step 3: Cross multiply
901,475.44x = 1,243,988.74 × 493,499.10 - Step 4: Simplify right side
901,475.44x = 613,907,323,600.13 - Step 5: Solve for x
x = 613,907,323,600.13/901,475.44 - Step 6: Final answer
x = 681,002.83
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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.