Finding the Fourth Proportional to 871,906.14, 1,203,817.61 and 779,739.48
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Solution
The fourth proportional to 871,906.14, 1,203,817.61 and 779,739.48 is: 1,076,565.56
Step by Step Solution
- Step 1: Write the proportion equation
871,906.14 : 1,203,817.61 = 779,739.48 : x - Step 2: Convert to fraction form
871,906.14/1,203,817.61 = 779,739.48/x - Step 3: Cross multiply
871,906.14x = 1,203,817.61 × 779,739.48 - Step 4: Simplify right side
871,906.14x = 938,664,119,185.59 - Step 5: Solve for x
x = 938,664,119,185.59/871,906.14 - Step 6: Final answer
x = 1,076,565.56
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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.