Finding the Fourth Proportional to 757,303.59, 1,045,062.14 and 417,771.75
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Solution
The fourth proportional to 757,303.59, 1,045,062.14 and 417,771.75 is: 576,515.74
Step by Step Solution
- Step 1: Write the proportion equation
757,303.59 : 1,045,062.14 = 417,771.75 : x - Step 2: Convert to fraction form
757,303.59/1,045,062.14 = 417,771.75/x - Step 3: Cross multiply
757,303.59x = 1,045,062.14 × 417,771.75 - Step 4: Simplify right side
757,303.59x = 436,597,436,997.69 - Step 5: Solve for x
x = 436,597,436,997.69/757,303.59 - Step 6: Final answer
x = 576,515.74
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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.