Finding the Fourth Proportional to 926,525.12, 1,278,626.31 and 518,616.81
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Solution
The fourth proportional to 926,525.12, 1,278,626.31 and 518,616.81 is: 715,703.32
Step by Step Solution
- Step 1: Write the proportion equation
926,525.12 : 1,278,626.31 = 518,616.81 : x - Step 2: Convert to fraction form
926,525.12/1,278,626.31 = 518,616.81/x - Step 3: Cross multiply
926,525.12x = 1,278,626.31 × 518,616.81 - Step 4: Simplify right side
926,525.12x = 663,117,098,074.27 - Step 5: Solve for x
x = 663,117,098,074.27/926,525.12 - Step 6: Final answer
x = 715,703.32
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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.