Finding the Fourth Proportional to 577,072.18, 796,400.84 and 318,943.57
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Solution
The fourth proportional to 577,072.18, 796,400.84 and 318,943.57 is: 440,164.92
Step by Step Solution
- Step 1: Write the proportion equation
577,072.18 : 796,400.84 = 318,943.57 : x - Step 2: Convert to fraction form
577,072.18/796,400.84 = 318,943.57/x - Step 3: Cross multiply
577,072.18x = 796,400.84 × 318,943.57 - Step 4: Simplify right side
577,072.18x = 254,006,927,060.60 - Step 5: Solve for x
x = 254,006,927,060.60/577,072.18 - Step 6: Final answer
x = 440,164.92
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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.