Finding the Fourth Proportional to 926,451.36, 1,278,395.28 and 518,575.92
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Solution
The fourth proportional to 926,451.36, 1,278,395.28 and 518,575.92 is: 715,574.54
Step by Step Solution
- Step 1: Write the proportion equation
926,451.36 : 1,278,395.28 = 518,575.92 : x - Step 2: Convert to fraction form
926,451.36/1,278,395.28 = 518,575.92/x - Step 3: Cross multiply
926,451.36x = 1,278,395.28 × 518,575.92 - Step 4: Simplify right side
926,451.36x = 662,945,008,449.66 - Step 5: Solve for x
x = 662,945,008,449.66/926,451.36 - Step 6: Final answer
x = 715,574.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.