Finding the Fourth Proportional to 558,663.76, 770,972.07 and 304,031.08
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Solution
The fourth proportional to 558,663.76, 770,972.07 and 304,031.08 is: 419,571.64
Step by Step Solution
- Step 1: Write the proportion equation
558,663.76 : 770,972.07 = 304,031.08 : x - Step 2: Convert to fraction form
558,663.76/770,972.07 = 304,031.08/x - Step 3: Cross multiply
558,663.76x = 770,972.07 × 304,031.08 - Step 4: Simplify right side
558,663.76x = 234,399,471,091.94 - Step 5: Solve for x
x = 234,399,471,091.94/558,663.76 - Step 6: Final answer
x = 419,571.64
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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.