Finding the Fourth Proportional to 935,518.38, 1,291,215.66 and 591,135.68
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Solution
The fourth proportional to 935,518.38, 1,291,215.66 and 591,135.68 is: 815,893.80
Step by Step Solution
- Step 1: Write the proportion equation
935,518.38 : 1,291,215.66 = 591,135.68 : x - Step 2: Convert to fraction form
935,518.38/1,291,215.66 = 591,135.68/x - Step 3: Cross multiply
935,518.38x = 1,291,215.66 × 591,135.68 - Step 4: Simplify right side
935,518.38x = 763,283,647,200.75 - Step 5: Solve for x
x = 763,283,647,200.75/935,518.38 - Step 6: Final answer
x = 815,893.80
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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.