Finding the Fourth Proportional to 487,749.80, 731,624.70 and 277,797.80
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Solution
The fourth proportional to 487,749.80, 731,624.70 and 277,797.80 is: 416,696.70
Step by Step Solution
- Step 1: Write the proportion equation
487,749.80 : 731,624.70 = 277,797.80 : x - Step 2: Convert to fraction form
487,749.80/731,624.70 = 277,797.80/x - Step 3: Cross multiply
487,749.80x = 731,624.70 × 277,797.80 - Step 4: Simplify right side
487,749.80x = 203,243,732,085.66 - Step 5: Solve for x
x = 203,243,732,085.66/487,749.80 - Step 6: Final answer
x = 416,696.70
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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.