Finding the Fourth Proportional to 912,459.05, 1,259,201.71 and 504,588.56
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Solution
The fourth proportional to 912,459.05, 1,259,201.71 and 504,588.56 is: 696,336.75
Step by Step Solution
- Step 1: Write the proportion equation
912,459.05 : 1,259,201.71 = 504,588.56 : x - Step 2: Convert to fraction form
912,459.05/1,259,201.71 = 504,588.56/x - Step 3: Cross multiply
912,459.05x = 1,259,201.71 × 504,588.56 - Step 4: Simplify right side
912,459.05x = 635,378,768,779.49 - Step 5: Solve for x
x = 635,378,768,779.49/912,459.05 - Step 6: Final answer
x = 696,336.75
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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.