Finding the Fourth Proportional to 558,319.05, 770,474.52 and 303,670.17
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Solution
The fourth proportional to 558,319.05, 770,474.52 and 303,670.17 is: 419,061.70
Step by Step Solution
- Step 1: Write the proportion equation
558,319.05 : 770,474.52 = 303,670.17 : x - Step 2: Convert to fraction form
558,319.05/770,474.52 = 303,670.17/x - Step 3: Cross multiply
558,319.05x = 770,474.52 × 303,670.17 - Step 4: Simplify right side
558,319.05x = 233,970,128,469.07 - Step 5: Solve for x
x = 233,970,128,469.07/558,319.05 - Step 6: Final answer
x = 419,061.70
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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.