Finding the Fourth Proportional to 504,980.06, 696,887.08 and 278,640.14
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Solution
The fourth proportional to 504,980.06, 696,887.08 and 278,640.14 is: 384,531.45
Step by Step Solution
- Step 1: Write the proportion equation
504,980.06 : 696,887.08 = 278,640.14 : x - Step 2: Convert to fraction form
504,980.06/696,887.08 = 278,640.14/x - Step 3: Cross multiply
504,980.06x = 696,887.08 × 278,640.14 - Step 4: Simplify right side
504,980.06x = 194,180,713,535.39 - Step 5: Solve for x
x = 194,180,713,535.39/504,980.06 - Step 6: Final answer
x = 384,531.45
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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.