Finding the Fourth Proportional to 857,253.46, 1,183,048.18 and 489,762.74
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Solution
The fourth proportional to 857,253.46, 1,183,048.18 and 489,762.74 is: 675,894.52
Step by Step Solution
- Step 1: Write the proportion equation
857,253.46 : 1,183,048.18 = 489,762.74 : x - Step 2: Convert to fraction form
857,253.46/1,183,048.18 = 489,762.74/x - Step 3: Cross multiply
857,253.46x = 1,183,048.18 × 489,762.74 - Step 4: Simplify right side
857,253.46x = 579,412,911,049.17 - Step 5: Solve for x
x = 579,412,911,049.17/857,253.46 - Step 6: Final answer
x = 675,894.52
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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.