Finding the Fourth Proportional to 842,787.99, 1,263,993.66 and 243,615.60
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Solution
The fourth proportional to 842,787.99, 1,263,993.66 and 243,615.60 is: 365,368.96
Step by Step Solution
- Step 1: Write the proportion equation
842,787.99 : 1,263,993.66 = 243,615.60 : x - Step 2: Convert to fraction form
842,787.99/1,263,993.66 = 243,615.60/x - Step 3: Cross multiply
842,787.99x = 1,263,993.66 × 243,615.60 - Step 4: Simplify right side
842,787.99x = 307,928,573,877.10 - Step 5: Solve for x
x = 307,928,573,877.10/842,787.99 - Step 6: Final answer
x = 365,368.96
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1.5x scale
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.