Finding the Fourth Proportional to 573,129.80, 859,694.70 and 494,397.80
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Solution
The fourth proportional to 573,129.80, 859,694.70 and 494,397.80 is: 741,596.70
Step by Step Solution
- Step 1: Write the proportion equation
573,129.80 : 859,694.70 = 494,397.80 : x - Step 2: Convert to fraction form
573,129.80/859,694.70 = 494,397.80/x - Step 3: Cross multiply
573,129.80x = 859,694.70 × 494,397.80 - Step 4: Simplify right side
573,129.80x = 425,031,168,351.66 - Step 5: Solve for x
x = 425,031,168,351.66/573,129.80 - Step 6: Final answer
x = 741,596.70
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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.