Finding the Fourth Proportional to 856,818.48, 1,282,831.56 and 645,795.12
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Solution
The fourth proportional to 856,818.48, 1,282,831.56 and 645,795.12 is: 966,886.66
Step by Step Solution
- Step 1: Write the proportion equation
856,818.48 : 1,282,831.56 = 645,795.12 : x - Step 2: Convert to fraction form
856,818.48/1,282,831.56 = 645,795.12/x - Step 3: Cross multiply
856,818.48x = 1,282,831.56 × 645,795.12 - Step 4: Simplify right side
856,818.48x = 828,446,361,229.99 - Step 5: Solve for x
x = 828,446,361,229.99/856,818.48 - Step 6: Final answer
x = 966,886.66
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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.