Finding the Fourth Proportional to 756,831.74, 1,044,680.90 and 451,004.09
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Solution
The fourth proportional to 756,831.74, 1,044,680.90 and 451,004.09 is: 622,536.46
Step by Step Solution
- Step 1: Write the proportion equation
756,831.74 : 1,044,680.90 = 451,004.09 : x - Step 2: Convert to fraction form
756,831.74/1,044,680.90 = 451,004.09/x - Step 3: Cross multiply
756,831.74x = 1,044,680.90 × 451,004.09 - Step 4: Simplify right side
756,831.74x = 471,155,351,166.46 - Step 5: Solve for x
x = 471,155,351,166.46/756,831.74 - Step 6: Final answer
x = 622,536.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.