Finding the Fourth Proportional to 513,444.42, 770,497.92 and 276,951.96
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Solution
The fourth proportional to 513,444.42, 770,497.92 and 276,951.96 is: 415,606.64
Step by Step Solution
- Step 1: Write the proportion equation
513,444.42 : 770,497.92 = 276,951.96 : x - Step 2: Convert to fraction form
513,444.42/770,497.92 = 276,951.96/x - Step 3: Cross multiply
513,444.42x = 770,497.92 × 276,951.96 - Step 4: Simplify right side
513,444.42x = 213,390,909,119.92 - Step 5: Solve for x
x = 213,390,909,119.92/513,444.42 - Step 6: Final answer
x = 415,606.64
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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.