Finding the Fourth Proportional to 935,610.21, 1,291,142.84 and 505,890.63
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Solution
The fourth proportional to 935,610.21, 1,291,142.84 and 505,890.63 is: 698,129.47
Step by Step Solution
- Step 1: Write the proportion equation
935,610.21 : 1,291,142.84 = 505,890.63 : x - Step 2: Convert to fraction form
935,610.21/1,291,142.84 = 505,890.63/x - Step 3: Cross multiply
935,610.21x = 1,291,142.84 × 505,890.63 - Step 4: Simplify right side
935,610.21x = 653,177,062,218.14 - Step 5: Solve for x
x = 653,177,062,218.14/935,610.21 - Step 6: Final answer
x = 698,129.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.