Finding the Fourth Proportional to 777,665.09, 1,167,026.62 and 477,228.70
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Solution
The fourth proportional to 777,665.09, 1,167,026.62 and 477,228.70 is: 716,167.67
Step by Step Solution
- Step 1: Write the proportion equation
777,665.09 : 1,167,026.62 = 477,228.70 : x - Step 2: Convert to fraction form
777,665.09/1,167,026.62 = 477,228.70/x - Step 3: Cross multiply
777,665.09x = 1,167,026.62 × 477,228.70 - Step 4: Simplify right side
777,665.09x = 556,938,598,260.66 - Step 5: Solve for x
x = 556,938,598,260.66/777,665.09 - Step 6: Final answer
x = 716,167.67
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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.