Finding the Fourth Proportional to 513,840.48, 770,877.84 and 277,177.92
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Solution
The fourth proportional to 513,840.48, 770,877.84 and 277,177.92 is: 415,830.06
Step by Step Solution
- Step 1: Write the proportion equation
513,840.48 : 770,877.84 = 277,177.92 : x - Step 2: Convert to fraction form
513,840.48/770,877.84 = 277,177.92/x - Step 3: Cross multiply
513,840.48x = 770,877.84 × 277,177.92 - Step 4: Simplify right side
513,840.48x = 213,670,316,265.29 - Step 5: Solve for x
x = 213,670,316,265.29/513,840.48 - Step 6: Final answer
x = 415,830.06
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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.