Finding the Fourth Proportional to 871,986.06, 1,202,848.38 and 549,141.12
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Solution
The fourth proportional to 871,986.06, 1,202,848.38 and 549,141.12 is: 757,504.66
Step by Step Solution
- Step 1: Write the proportion equation
871,986.06 : 1,202,848.38 = 549,141.12 : x - Step 2: Convert to fraction form
871,986.06/1,202,848.38 = 549,141.12/x - Step 3: Cross multiply
871,986.06x = 1,202,848.38 × 549,141.12 - Step 4: Simplify right side
871,986.06x = 660,533,506,583.39 - Step 5: Solve for x
x = 660,533,506,583.39/871,986.06 - Step 6: Final answer
x = 757,504.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.