Finding the Fourth Proportional to 907,487.80, 1,361,231.70 and 374,831.80
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Solution
The fourth proportional to 907,487.80, 1,361,231.70 and 374,831.80 is: 562,247.70
Step by Step Solution
- Step 1: Write the proportion equation
907,487.80 : 1,361,231.70 = 374,831.80 : x - Step 2: Convert to fraction form
907,487.80/1,361,231.70 = 374,831.80/x - Step 3: Cross multiply
907,487.80x = 1,361,231.70 × 374,831.80 - Step 4: Simplify right side
907,487.80x = 510,232,928,328.06 - Step 5: Solve for x
x = 510,232,928,328.06/907,487.80 - Step 6: Final answer
x = 562,247.70
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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.