Finding the Fourth Proportional to 625,809.63, 938,831.22 and 284,277.05
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Solution
The fourth proportional to 625,809.63, 938,831.22 and 284,277.05 is: 426,468.61
Step by Step Solution
- Step 1: Write the proportion equation
625,809.63 : 938,831.22 = 284,277.05 : x - Step 2: Convert to fraction form
625,809.63/938,831.22 = 284,277.05/x - Step 3: Cross multiply
625,809.63x = 938,831.22 × 284,277.05 - Step 4: Simplify right side
625,809.63x = 266,888,163,909.31 - Step 5: Solve for x
x = 266,888,163,909.31/625,809.63 - Step 6: Final answer
x = 426,468.61
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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.