Finding the Fourth Proportional to 1,124,930.76, 1,687,048.44 and 326,271
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Solution
The fourth proportional to 1,124,930.76, 1,687,048.44 and 326,271 is: 489,305.65
Step by Step Solution
- Step 1: Write the proportion equation
1,124,930.76 : 1,687,048.44 = 326,271 : x - Step 2: Convert to fraction form
1,124,930.76/1,687,048.44 = 326,271/x - Step 3: Cross multiply
1,124,930.76x = 1,687,048.44 × 326,271 - Step 4: Simplify right side
1,124,930.76x = 550,434,981,567.24 - Step 5: Solve for x
x = 550,434,981,567.24/1,124,930.76 - Step 6: Final answer
x = 489,305.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.