Finding the Fourth Proportional to 808,057.71, 1,115,126.86 and 445,494.42
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Solution
The fourth proportional to 808,057.71, 1,115,126.86 and 445,494.42 is: 614,786.28
Step by Step Solution
- Step 1: Write the proportion equation
808,057.71 : 1,115,126.86 = 445,494.42 : x - Step 2: Convert to fraction form
808,057.71/1,115,126.86 = 445,494.42/x - Step 3: Cross multiply
808,057.71x = 1,115,126.86 × 445,494.42 - Step 4: Simplify right side
808,057.71x = 496,782,793,722.12 - Step 5: Solve for x
x = 496,782,793,722.12/808,057.71 - Step 6: Final answer
x = 614,786.28
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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.