Finding the Fourth Proportional to 562,120.80, 775,508.80 and 358,135.19
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Solution
The fourth proportional to 562,120.80, 775,508.80 and 358,135.19 is: 494,087.73
Step by Step Solution
- Step 1: Write the proportion equation
562,120.80 : 775,508.80 = 358,135.19 : x - Step 2: Convert to fraction form
562,120.80/775,508.80 = 358,135.19/x - Step 3: Cross multiply
562,120.80x = 775,508.80 × 358,135.19 - Step 4: Simplify right side
562,120.80x = 277,736,991,434.67 - Step 5: Solve for x
x = 277,736,991,434.67/562,120.80 - Step 6: Final answer
x = 494,087.73
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1.5x scale
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.