Finding the Fourth Proportional to 840,304.46, 1,159,718.18 and 477,782.63
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Solution
The fourth proportional to 840,304.46, 1,159,718.18 and 477,782.63 is: 659,395.76
Step by Step Solution
- Step 1: Write the proportion equation
840,304.46 : 1,159,718.18 = 477,782.63 : x - Step 2: Convert to fraction form
840,304.46/1,159,718.18 = 477,782.63/x - Step 3: Cross multiply
840,304.46x = 1,159,718.18 × 477,782.63 - Step 4: Simplify right side
840,304.46x = 554,093,193,911.71 - Step 5: Solve for x
x = 554,093,193,911.71/840,304.46 - Step 6: Final answer
x = 659,395.76
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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.