Finding the Fourth Proportional to 926,680.14, 1,278,971.60 and 636,052.95
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Solution
The fourth proportional to 926,680.14, 1,278,971.60 and 636,052.95 is: 877,858.09
Step by Step Solution
- Step 1: Write the proportion equation
926,680.14 : 1,278,971.60 = 636,052.95 : x - Step 2: Convert to fraction form
926,680.14/1,278,971.60 = 636,052.95/x - Step 3: Cross multiply
926,680.14x = 1,278,971.60 × 636,052.95 - Step 4: Simplify right side
926,680.14x = 813,493,655,965.96 - Step 5: Solve for x
x = 813,493,655,965.96/926,680.14 - Step 6: Final answer
x = 877,858.09
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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.