Finding the Fourth Proportional to 573,698.81, 791,705.16 and 319,049.99
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Solution
The fourth proportional to 573,698.81, 791,705.16 and 319,049.99 is: 440,289.43
Step by Step Solution
- Step 1: Write the proportion equation
573,698.81 : 791,705.16 = 319,049.99 : x - Step 2: Convert to fraction form
573,698.81/791,705.16 = 319,049.99/x - Step 3: Cross multiply
573,698.81x = 791,705.16 × 319,049.99 - Step 4: Simplify right side
573,698.81x = 252,593,523,380.95 - Step 5: Solve for x
x = 252,593,523,380.95/573,698.81 - Step 6: Final answer
x = 440,289.43
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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.