Finding the Fourth Proportional to 720,057.99, 1,078,903.54 and 246,485.01
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Solution
The fourth proportional to 720,057.99, 1,078,903.54 and 246,485.01 is: 369,322.40
Step by Step Solution
- Step 1: Write the proportion equation
720,057.99 : 1,078,903.54 = 246,485.01 : x - Step 2: Convert to fraction form
720,057.99/1,078,903.54 = 246,485.01/x - Step 3: Cross multiply
720,057.99x = 1,078,903.54 × 246,485.01 - Step 4: Simplify right side
720,057.99x = 265,933,543,835.21 - Step 5: Solve for x
x = 265,933,543,835.21/720,057.99 - Step 6: Final answer
x = 369,322.40
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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.