Finding the Fourth Proportional to 884,228.74, 1,220,235.44 and 481,820.74
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Solution
The fourth proportional to 884,228.74, 1,220,235.44 and 481,820.74 is: 664,912.50
Step by Step Solution
- Step 1: Write the proportion equation
884,228.74 : 1,220,235.44 = 481,820.74 : x - Step 2: Convert to fraction form
884,228.74/1,220,235.44 = 481,820.74/x - Step 3: Cross multiply
884,228.74x = 1,220,235.44 × 481,820.74 - Step 4: Simplify right side
884,228.74x = 587,934,742,675.03 - Step 5: Solve for x
x = 587,934,742,675.03/884,228.74 - Step 6: Final answer
x = 664,912.50
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1.5x scale
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.