Finding the Fourth Proportional to 621,349.38, 860,708.84 and 608,752.26
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Solution
The fourth proportional to 621,349.38, 860,708.84 and 608,752.26 is: 843,258.99
Step by Step Solution
- Step 1: Write the proportion equation
621,349.38 : 860,708.84 = 608,752.26 : x - Step 2: Convert to fraction form
621,349.38/860,708.84 = 608,752.26/x - Step 3: Cross multiply
621,349.38x = 860,708.84 × 608,752.26 - Step 4: Simplify right side
621,349.38x = 523,958,448,508.22 - Step 5: Solve for x
x = 523,958,448,508.22/621,349.38 - Step 6: Final answer
x = 843,258.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.