Finding the Fourth Proportional to 670,875.05, 925,831.74 and 384,450.49
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Solution
The fourth proportional to 670,875.05, 925,831.74 and 384,450.49 is: 530,555.53
Step by Step Solution
- Step 1: Write the proportion equation
670,875.05 : 925,831.74 = 384,450.49 : x - Step 2: Convert to fraction form
670,875.05/925,831.74 = 384,450.49/x - Step 3: Cross multiply
670,875.05x = 925,831.74 × 384,450.49 - Step 4: Simplify right side
670,875.05x = 355,936,466,100.55 - Step 5: Solve for x
x = 355,936,466,100.55/670,875.05 - Step 6: Final answer
x = 530,555.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.