Finding the Fourth Proportional to 866,672.94, 1,298,944.63 and 486,795.14
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Solution
The fourth proportional to 866,672.94, 1,298,944.63 and 486,795.14 is: 729,594.65
Step by Step Solution
- Step 1: Write the proportion equation
866,672.94 : 1,298,944.63 = 486,795.14 : x - Step 2: Convert to fraction form
866,672.94/1,298,944.63 = 486,795.14/x - Step 3: Cross multiply
866,672.94x = 1,298,944.63 × 486,795.14 - Step 4: Simplify right side
866,672.94x = 632,319,939,304.48 - Step 5: Solve for x
x = 632,319,939,304.48/866,672.94 - Step 6: Final answer
x = 729,594.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.