Finding the Fourth Proportional to 988,869.96, 1,364,413.68 and 559,056.42
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Solution
The fourth proportional to 988,869.96, 1,364,413.68 and 559,056.42 is: 771,369.60
Step by Step Solution
- Step 1: Write the proportion equation
988,869.96 : 1,364,413.68 = 559,056.42 : x - Step 2: Convert to fraction form
988,869.96/1,364,413.68 = 559,056.42/x - Step 3: Cross multiply
988,869.96x = 1,364,413.68 × 559,056.42 - Step 4: Simplify right side
988,869.96x = 762,784,227,339.83 - Step 5: Solve for x
x = 762,784,227,339.83/988,869.96 - Step 6: Final answer
x = 771,369.60
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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.