Finding the Fourth Proportional to 628,063.76, 866,719.52 and 341,577.68
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Solution
The fourth proportional to 628,063.76, 866,719.52 and 341,577.68 is: 471,372.59
Step by Step Solution
- Step 1: Write the proportion equation
628,063.76 : 866,719.52 = 341,577.68 : x - Step 2: Convert to fraction form
628,063.76/866,719.52 = 341,577.68/x - Step 3: Cross multiply
628,063.76x = 866,719.52 × 341,577.68 - Step 4: Simplify right side
628,063.76x = 296,052,042,852.31 - Step 5: Solve for x
x = 296,052,042,852.31/628,063.76 - Step 6: Final answer
x = 471,372.59
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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.