Finding the Fourth Proportional to 556,887.84, 768,504.84 and 315,165.96
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Solution
The fourth proportional to 556,887.84, 768,504.84 and 315,165.96 is: 434,928.81
Step by Step Solution
- Step 1: Write the proportion equation
556,887.84 : 768,504.84 = 315,165.96 : x - Step 2: Convert to fraction form
556,887.84/768,504.84 = 315,165.96/x - Step 3: Cross multiply
556,887.84x = 768,504.84 × 315,165.96 - Step 4: Simplify right side
556,887.84x = 242,206,565,663.25 - Step 5: Solve for x
x = 242,206,565,663.25/556,887.84 - Step 6: Final answer
x = 434,928.81
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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.