Finding the Fourth Proportional to 804,454.53, 1,206,681.06 and 205,415.79
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Solution
The fourth proportional to 804,454.53, 1,206,681.06 and 205,415.79 is: 308,123.50
Step by Step Solution
- Step 1: Write the proportion equation
804,454.53 : 1,206,681.06 = 205,415.79 : x - Step 2: Convert to fraction form
804,454.53/1,206,681.06 = 205,415.79/x - Step 3: Cross multiply
804,454.53x = 1,206,681.06 × 205,415.79 - Step 4: Simplify right side
804,454.53x = 247,871,343,217.94 - Step 5: Solve for x
x = 247,871,343,217.94/804,454.53 - Step 6: Final answer
x = 308,123.50
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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.