Finding the Fourth Proportional to 813,630, 1,122,809.34 and 451,052.94
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Solution
The fourth proportional to 813,630, 1,122,809.34 and 451,052.94 is: 622,453.02
Step by Step Solution
- Step 1: Write the proportion equation
813,630 : 1,122,809.34 = 451,052.94 : x - Step 2: Convert to fraction form
813,630/1,122,809.34 = 451,052.94/x - Step 3: Cross multiply
813,630x = 1,122,809.34 × 451,052.94 - Step 4: Simplify right side
813,630x = 506,446,453,866.46 - Step 5: Solve for x
x = 506,446,453,866.46/813,630 - Step 6: Final answer
x = 622,453.02
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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.