Finding the Fourth Proportional to 573,129.70, 859,694.55 and 440,265.70
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Solution
The fourth proportional to 573,129.70, 859,694.55 and 440,265.70 is: 660,398.55
Step by Step Solution
- Step 1: Write the proportion equation
573,129.70 : 859,694.55 = 440,265.70 : x - Step 2: Convert to fraction form
573,129.70/859,694.55 = 440,265.70/x - Step 3: Cross multiply
573,129.70x = 859,694.55 × 440,265.70 - Step 4: Simplify right side
573,129.70x = 378,494,022,841.94 - Step 5: Solve for x
x = 378,494,022,841.94/573,129.70 - Step 6: Final answer
x = 660,398.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.