Finding the Fourth Proportional to 565,937.26, 780,977.12 and 311,288.44
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Solution
The fourth proportional to 565,937.26, 780,977.12 and 311,288.44 is: 429,569.08
Step by Step Solution
- Step 1: Write the proportion equation
565,937.26 : 780,977.12 = 311,288.44 : x - Step 2: Convert to fraction form
565,937.26/780,977.12 = 311,288.44/x - Step 3: Cross multiply
565,937.26x = 780,977.12 × 311,288.44 - Step 4: Simplify right side
565,937.26x = 243,109,149,360.49 - Step 5: Solve for x
x = 243,109,149,360.49/565,937.26 - Step 6: Final answer
x = 429,569.08
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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.