Finding the Fourth Proportional to 849,686.44, 1,275,415.36 and 376,703.96
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Solution
The fourth proportional to 849,686.44, 1,275,415.36 and 376,703.96 is: 565,448.61
Step by Step Solution
- Step 1: Write the proportion equation
849,686.44 : 1,275,415.36 = 376,703.96 : x - Step 2: Convert to fraction form
849,686.44/1,275,415.36 = 376,703.96/x - Step 3: Cross multiply
849,686.44x = 1,275,415.36 × 376,703.96 - Step 4: Simplify right side
849,686.44x = 480,454,016,756.83 - Step 5: Solve for x
x = 480,454,016,756.83/849,686.44 - Step 6: Final answer
x = 565,448.61
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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.