Finding the Fourth Proportional to 983,127.12, 1,474,690.68 and 562,107.75
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Solution
The fourth proportional to 983,127.12, 1,474,690.68 and 562,107.75 is: 843,161.63
Step by Step Solution
- Step 1: Write the proportion equation
983,127.12 : 1,474,690.68 = 562,107.75 : x - Step 2: Convert to fraction form
983,127.12/1,474,690.68 = 562,107.75/x - Step 3: Cross multiply
983,127.12x = 1,474,690.68 × 562,107.75 - Step 4: Simplify right side
983,127.12x = 828,935,060,080.77 - Step 5: Solve for x
x = 828,935,060,080.77/983,127.12 - Step 6: Final answer
x = 843,161.63
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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.