Finding the Fourth Proportional to 579,822.30, 869,344.65 and 264,116.70
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Solution
The fourth proportional to 579,822.30, 869,344.65 and 264,116.70 is: 395,997.95
Step by Step Solution
- Step 1: Write the proportion equation
579,822.30 : 869,344.65 = 264,116.70 : x - Step 2: Convert to fraction form
579,822.30/869,344.65 = 264,116.70/x - Step 3: Cross multiply
579,822.30x = 869,344.65 × 264,116.70 - Step 4: Simplify right side
579,822.30x = 229,608,440,120.66 - Step 5: Solve for x
x = 229,608,440,120.66/579,822.30 - Step 6: Final answer
x = 395,997.95
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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.