Finding the Fourth Proportional to 765,648.58, 1,147,209.15 and 444,900.08
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Solution
The fourth proportional to 765,648.58, 1,147,209.15 and 444,900.08 is: 666,615.80
Step by Step Solution
- Step 1: Write the proportion equation
765,648.58 : 1,147,209.15 = 444,900.08 : x - Step 2: Convert to fraction form
765,648.58/1,147,209.15 = 444,900.08/x - Step 3: Cross multiply
765,648.58x = 1,147,209.15 × 444,900.08 - Step 4: Simplify right side
765,648.58x = 510,393,442,611.73 - Step 5: Solve for x
x = 510,393,442,611.73/765,648.58 - Step 6: Final answer
x = 666,615.80
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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.