Finding the Fourth Proportional to 935,620.21, 1,291,156.64 and 505,900.63
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Solution
The fourth proportional to 935,620.21, 1,291,156.64 and 505,900.63 is: 698,143.28
Step by Step Solution
- Step 1: Write the proportion equation
935,620.21 : 1,291,156.64 = 505,900.63 : x - Step 2: Convert to fraction form
935,620.21/1,291,156.64 = 505,900.63/x - Step 3: Cross multiply
935,620.21x = 1,291,156.64 × 505,900.63 - Step 4: Simplify right side
935,620.21x = 653,196,957,604.68 - Step 5: Solve for x
x = 653,196,957,604.68/935,620.21 - Step 6: Final answer
x = 698,143.28
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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.