Finding the Fourth Proportional to 777,110.28, 1,165,611.87 and 477,637.08
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Solution
The fourth proportional to 777,110.28, 1,165,611.87 and 477,637.08 is: 716,422.71
Step by Step Solution
- Step 1: Write the proportion equation
777,110.28 : 1,165,611.87 = 477,637.08 : x - Step 2: Convert to fraction form
777,110.28/1,165,611.87 = 477,637.08/x - Step 3: Cross multiply
777,110.28x = 1,165,611.87 × 477,637.08 - Step 4: Simplify right side
777,110.28x = 556,739,450,000.14 - Step 5: Solve for x
x = 556,739,450,000.14/777,110.28 - Step 6: Final answer
x = 716,422.71
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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.