Finding the Fourth Proportional to 499,252.20, 748,878.30 and 440,203.20
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Solution
The fourth proportional to 499,252.20, 748,878.30 and 440,203.20 is: 660,304.80
Step by Step Solution
- Step 1: Write the proportion equation
499,252.20 : 748,878.30 = 440,203.20 : x - Step 2: Convert to fraction form
499,252.20/748,878.30 = 440,203.20/x - Step 3: Cross multiply
499,252.20x = 748,878.30 × 440,203.20 - Step 4: Simplify right side
499,252.20x = 329,658,624,070.56 - Step 5: Solve for x
x = 329,658,624,070.56/499,252.20 - Step 6: Final answer
x = 660,304.80
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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.