Finding the Fourth Proportional to 931,893.32, 1,395,791.01 and 770,135.99
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Solution
The fourth proportional to 931,893.32, 1,395,791.01 and 770,135.99 is: 1,153,510.66
Step by Step Solution
- Step 1: Write the proportion equation
931,893.32 : 1,395,791.01 = 770,135.99 : x - Step 2: Convert to fraction form
931,893.32/1,395,791.01 = 770,135.99/x - Step 3: Cross multiply
931,893.32x = 1,395,791.01 × 770,135.99 - Step 4: Simplify right side
931,893.32x = 1,074,948,884,340.49 - Step 5: Solve for x
x = 1,074,948,884,340.49/931,893.32 - Step 6: Final answer
x = 1,153,510.66
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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.