Finding the Fourth Proportional to 551,905.20, 827,201.70 and 495,480.60
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Solution
The fourth proportional to 551,905.20, 827,201.70 and 495,480.60 is: 742,631.88
Step by Step Solution
- Step 1: Write the proportion equation
551,905.20 : 827,201.70 = 495,480.60 : x - Step 2: Convert to fraction form
551,905.20/827,201.70 = 495,480.60/x - Step 3: Cross multiply
551,905.20x = 827,201.70 × 495,480.60 - Step 4: Simplify right side
551,905.20x = 409,862,394,637.02 - Step 5: Solve for x
x = 409,862,394,637.02/551,905.20 - Step 6: Final answer
x = 742,631.88
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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.