Finding the Fourth Proportional to 681,077.84, 939,852.68 and 375,147.63
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Solution
The fourth proportional to 681,077.84, 939,852.68 and 375,147.63 is: 517,684.60
Step by Step Solution
- Step 1: Write the proportion equation
681,077.84 : 939,852.68 = 375,147.63 : x - Step 2: Convert to fraction form
681,077.84/939,852.68 = 375,147.63/x - Step 3: Cross multiply
681,077.84x = 939,852.68 × 375,147.63 - Step 4: Simplify right side
681,077.84x = 352,583,503,575.41 - Step 5: Solve for x
x = 352,583,503,575.41/681,077.84 - Step 6: Final answer
x = 517,684.60
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1.5x scale
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.