Finding the Fourth Proportional to 886,739.58, 1,328,994 and 380,701.80
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Solution
The fourth proportional to 886,739.58, 1,328,994 and 380,701.80 is: 570,573.84
Step by Step Solution
- Step 1: Write the proportion equation
886,739.58 : 1,328,994 = 380,701.80 : x - Step 2: Convert to fraction form
886,739.58/1,328,994 = 380,701.80/x - Step 3: Cross multiply
886,739.58x = 1,328,994 × 380,701.80 - Step 4: Simplify right side
886,739.58x = 505,950,407,989.20 - Step 5: Solve for x
x = 505,950,407,989.20/886,739.58 - Step 6: Final answer
x = 570,573.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.