Finding the Fourth Proportional to 579,874.13, 869,461.61 and 259,968.14
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Solution
The fourth proportional to 579,874.13, 869,461.61 and 259,968.14 is: 389,795.48
Step by Step Solution
- Step 1: Write the proportion equation
579,874.13 : 869,461.61 = 259,968.14 : x - Step 2: Convert to fraction form
579,874.13/869,461.61 = 259,968.14/x - Step 3: Cross multiply
579,874.13x = 869,461.61 × 259,968.14 - Step 4: Simplify right side
579,874.13x = 226,032,311,905.96 - Step 5: Solve for x
x = 226,032,311,905.96/579,874.13 - Step 6: Final answer
x = 389,795.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.