Finding the Fourth Proportional to 814,958.81, 1,124,586.87 and 452,354.13
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Solution
The fourth proportional to 814,958.81, 1,124,586.87 and 452,354.13 is: 624,217.45
Step by Step Solution
- Step 1: Write the proportion equation
814,958.81 : 1,124,586.87 = 452,354.13 : x - Step 2: Convert to fraction form
814,958.81/1,124,586.87 = 452,354.13/x - Step 3: Cross multiply
814,958.81x = 1,124,586.87 × 452,354.13 - Step 4: Simplify right side
814,958.81x = 508,711,508,115.91 - Step 5: Solve for x
x = 508,711,508,115.91/814,958.81 - Step 6: Final answer
x = 624,217.45
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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.