Finding the Fourth Proportional to 808,079.05, 1,115,156.87 and 445,516.98
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Solution
The fourth proportional to 808,079.05, 1,115,156.87 and 445,516.98 is: 614,817.72
Step by Step Solution
- Step 1: Write the proportion equation
808,079.05 : 1,115,156.87 = 445,516.98 : x - Step 2: Convert to fraction form
808,079.05/1,115,156.87 = 445,516.98/x - Step 3: Cross multiply
808,079.05x = 1,115,156.87 × 445,516.98 - Step 4: Simplify right side
808,079.05x = 496,821,320,948.65 - Step 5: Solve for x
x = 496,821,320,948.65/808,079.05 - Step 6: Final answer
x = 614,817.72
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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.