Finding the Fourth Proportional to 814,814.91, 1,124,497.11 and 452,238.80
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Solution
The fourth proportional to 814,814.91, 1,124,497.11 and 452,238.80 is: 624,118.70
Step by Step Solution
- Step 1: Write the proportion equation
814,814.91 : 1,124,497.11 = 452,238.80 : x - Step 2: Convert to fraction form
814,814.91/1,124,497.11 = 452,238.80/x - Step 3: Cross multiply
814,814.91x = 1,124,497.11 × 452,238.80 - Step 4: Simplify right side
814,814.91x = 508,541,219,703.28 - Step 5: Solve for x
x = 508,541,219,703.28/814,814.91 - Step 6: Final answer
x = 624,118.70
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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.