Finding the Fourth Proportional to 751,988.09, 1,037,736.50 and 407,831.60
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Solution
The fourth proportional to 751,988.09, 1,037,736.50 and 407,831.60 is: 562,803.78
Step by Step Solution
- Step 1: Write the proportion equation
751,988.09 : 1,037,736.50 = 407,831.60 : x - Step 2: Convert to fraction form
751,988.09/1,037,736.50 = 407,831.60/x - Step 3: Cross multiply
751,988.09x = 1,037,736.50 × 407,831.60 - Step 4: Simplify right side
751,988.09x = 423,221,737,728.58 - Step 5: Solve for x
x = 423,221,737,728.58/751,988.09 - Step 6: Final answer
x = 562,803.78
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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.