Finding the Fourth Proportional to 658,989.95, 987,462.53 and 456,980.09
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Solution
The fourth proportional to 658,989.95, 987,462.53 and 456,980.09 is: 684,761.14
Step by Step Solution
- Step 1: Write the proportion equation
658,989.95 : 987,462.53 = 456,980.09 : x - Step 2: Convert to fraction form
658,989.95/987,462.53 = 456,980.09/x - Step 3: Cross multiply
658,989.95x = 987,462.53 × 456,980.09 - Step 4: Simplify right side
658,989.95x = 451,250,708,608.82 - Step 5: Solve for x
x = 451,250,708,608.82/658,989.95 - Step 6: Final answer
x = 684,761.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.