Finding the Fourth Proportional to 557,370.72, 769,490.28 and 366,937.70
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Solution
The fourth proportional to 557,370.72, 769,490.28 and 366,937.70 is: 506,583.82
Step by Step Solution
- Step 1: Write the proportion equation
557,370.72 : 769,490.28 = 366,937.70 : x - Step 2: Convert to fraction form
557,370.72/769,490.28 = 366,937.70/x - Step 3: Cross multiply
557,370.72x = 769,490.28 × 366,937.70 - Step 4: Simplify right side
557,370.72x = 282,354,989,668.11 - Step 5: Solve for x
x = 282,354,989,668.11/557,370.72 - Step 6: Final answer
x = 506,583.82
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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.