Finding the Fourth Proportional to 624,512.80, 861,597.12 and 409,772.08
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Solution
The fourth proportional to 624,512.80, 861,597.12 and 409,772.08 is: 565,334.20
Step by Step Solution
- Step 1: Write the proportion equation
624,512.80 : 861,597.12 = 409,772.08 : x - Step 2: Convert to fraction form
624,512.80/861,597.12 = 409,772.08/x - Step 3: Cross multiply
624,512.80x = 861,597.12 × 409,772.08 - Step 4: Simplify right side
624,512.80x = 353,058,443,984.41 - Step 5: Solve for x
x = 353,058,443,984.41/624,512.80 - Step 6: Final answer
x = 565,334.20
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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.