Finding the Fourth Proportional to 565,197.84, 779,976.36 and 310,542.48
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Solution
The fourth proportional to 565,197.84, 779,976.36 and 310,542.48 is: 428,550.46
Step by Step Solution
- Step 1: Write the proportion equation
565,197.84 : 779,976.36 = 310,542.48 : x - Step 2: Convert to fraction form
565,197.84/779,976.36 = 310,542.48/x - Step 3: Cross multiply
565,197.84x = 779,976.36 × 310,542.48 - Step 4: Simplify right side
565,197.84x = 242,215,793,175.77 - Step 5: Solve for x
x = 242,215,793,175.77/565,197.84 - Step 6: Final answer
x = 428,550.46
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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.