Finding the Fourth Proportional to 1,076,739.28, 1,485,640.24 and 709,177.48
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Solution
The fourth proportional to 1,076,739.28, 1,485,640.24 and 709,177.48 is: 978,493.70
Step by Step Solution
- Step 1: Write the proportion equation
1,076,739.28 : 1,485,640.24 = 709,177.48 : x - Step 2: Convert to fraction form
1,076,739.28/1,485,640.24 = 709,177.48/x - Step 3: Cross multiply
1,076,739.28x = 1,485,640.24 × 709,177.48 - Step 4: Simplify right side
1,076,739.28x = 1,053,582,596,102.75 - Step 5: Solve for x
x = 1,053,582,596,102.75/1,076,739.28 - Step 6: Final answer
x = 978,493.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.