Finding the Fourth Proportional to 558,518.07, 770,758.29 and 303,871.08
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Solution
The fourth proportional to 558,518.07, 770,758.29 and 303,871.08 is: 419,343.91
Step by Step Solution
- Step 1: Write the proportion equation
558,518.07 : 770,758.29 = 303,871.08 : x - Step 2: Convert to fraction form
558,518.07/770,758.29 = 303,871.08/x - Step 3: Cross multiply
558,518.07x = 770,758.29 × 303,871.08 - Step 4: Simplify right side
558,518.07x = 234,211,154,001.25 - Step 5: Solve for x
x = 234,211,154,001.25/558,518.07 - Step 6: Final answer
x = 419,343.91
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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.